5 ORIGINAL ARTICLE Acta Med Indones - Indones J Intern Med • Vol 52 • Number 1 • January 2020 Sarcopenia and Frailty Profile in the Elderly Community of Surabaya: A Descriptive Study Novira Widajanti1, Jusri Ichwani1, Rwahita S. Dharmanta2, Hadiq Firdausi1, Yudha Haryono3, Erikavitri Yulianti4, Stefanus G. Kandinata5, Meilia Wulandari5, Rastita Widyasari5, Viranti A. Adyanita5, Nuri I. Hapsanti5, Diar M. Wardana5, Titin Kr i sti ana 5, D r iy arkara 5, He mma Wahy u d a 5, S arah Yunara 5, Kholidatul Husna5 1 Department of Internal Medicine, Faculty of Medicine Universitas Airlangga - Dr. Soetomo Hospital, Surabaya, Indonesia. 2 Department of Physical Medicine and Rehabilitation, Faculty of Medicine Universitas Airlangga - Dr. Soetomo Hospital, Surabaya, Indonesia. 3 Department of Neurology, Faculty of Medicine Universitas Airlangga - Dr. Soetomo Hospital, Surabaya, Indonesia. 4 Department of Psychiatry, Faculty of Medicine Universitas Airlangga - Dr. Soetomo Hospital, Surabaya, Indonesia. 5 Faculty of Medicine Universitas Airlangga, Surabaya, Indonesia. Corresponding Author: Novira Widajanti, MD. Department of Internal Medicine, Faculty of Medicine Universitas Airlangga – Dr. Soetomo Hospital, Surabaya. Jl. Mayjen Prof. Dr. Moestopo 47, Surabaya 60131, Indonesia. email: novirawidajanti@fk.unair. ac.id. ABSTRAK Latar belakang: sarkopenia dan frailty merupakan salah satu penyebab hilangnya mobilitas, disabilitas, gangguan neuromuskular, dan sindroma kegagalan homeostatik dengan kelainan gaya berjalan dan keseimbangan pada usia lanjut. Hal ini berkontribusi terhadap peningkatan angka jatuh dan patah (fall and fractures) sekaligus meningkatan hospitalisasi, imobilisasi, bahkan mortalitas. Jumlah populasi usia lanjut dengan sarkopenia dan frailty diperkirakan meningkat di seluruh dunia, sehingga studi mengenai angka prevalensi sarkopenia dan frailty secara nasional sangat penting dilakukan sebagai dasar studi selanjutnya. Metode: penelitian ini merupakan penelitian deskriptif dengan menggunakan data primer dari komunitas usia lanjut di Surabaya melalui posyandu lanjut usia. Data biopsikososial, penurunan berat badan, kelelahan, dan aktivitas fisik didapat melalui wawancara, sedangkan kekuatan genggam tangan, massa otot, dan performa fisik (kecepatan berjalan) diukur melalui instrumen. Hasil: tiga ratus delapan subjek terkualifikasi untuk penelitian. Rerata usia subjek adalah 63 (60–100) tahun dengan 74,7% subjek berjenis kelamin perempuan. Prevalensi sarkopenia pada usia lanjut di Surabaya sebesar 41,8% (laki-laki 13,9%, perempuan 27,9%). Prevalensi frailty secara umum adalah 36,7% (laki-laki 5,2%, perempuan 31,5%). Kesimpulan: prevalensi sarkopenia dan frailty pada populasi usia lanjut di komunitas tergolong tinggi. Hasil penelitian ini diharapkan dapat menjadi awal dari penelitian berikutnya, terutama dalam menentukan cut- off sarkopenia yang sesuai dengan sosiodemografi Indonesia. Kata kunci: sarkopenia, frailty, usia lanjut, komunitas, profil. ABSTRACT Background: sarcopenia and frailty cause immobility, disability, neuromuscular disorders, and homeostatic balance failure syndrome, characterized by gait and balance abnormalities in the elderly, and an increasing Novira Widajanti Acta Med Indones-Indones J Intern Med 6 prevalence worldwide. This further contributes to the elevated incidence of falls and fractures, hospitalization, immobilization, and even mortality, hence, a national-level study was conducted on the prevalence rates of sarcopenia and frailty in the elderly. Methods: this descriptive study used primary data of elderly people (n = 308) in Surabaya, Indonesia. Furthermore, the biopsychosocial data, weight loss, fatigue, and physical activity measurements were obtained through interviews, while handgrip strength, muscle mass, and physical performance (walking speed) were evaluated using instruments. Results: the median age of the subjects was 63 years (60–100 years), and 230 (74.7%) were women. In addition the prevalence rate of sarcopenia was 41.8% (in 86 [27.9%] women), while the prevalence rate of frailty was 36.7% (in 16 [5.2%] men and 97 [31.5%] women). Conclusion: the prevalence of sarcopenia and frailty in the elderly is significantly high, thus, it is expected that this study results are used as a basis for subsequent research, especially to determine the sarcopenia cut-off, in accordance with Indonesian sociodemography. Keywords: sarcopenia, frailty, elderly, community, profile. INTRODUCTION Sarcopenia is more often used as the subject of research compared to frailty, despite of the fact that they have been studied together for a long time.1 Meanwhile, the absence of optimal treatment is known to cause loss of muscle strength, which further contributes to immobility, neuromuscular disorders, homeostatic balance failure syndrome,2 as well as walking and stability disturbance.3 These occurrences tend to increase the risk of fall and fractures in the elderly,4-6 which ultimately leads to sarcopenia and frailty. According to the European Working Group on Sarcopenia in Older People (EWGSOP) and the Asian Working Group for Sarcopenia (AWGS), the prevalence of sarcopenia in healthy adults aged ≥60 years is approximately 10% (95% confidence interval [CI] = 8%–12%) in men and 11% (95% CI = 8%–13%) in women.7 A 2016 study in Bandung, West Java, Indonesia, on 229 participants showed a 7.4% prevalence in men and 1.7% in women on the basis of AWGS parameters.7 A systematic review8 of 31 studies on people aged ≥65 years showed a frailty incidence of 4%–17% (9.9% on average), while a study by Setiati et al.9 (2013) on 270 elderly people in the outpatient department of Dr. Cipto Mangunkusumo Hospital, Jakarta recorded 27.4%. In addition, women are two times more likely to be frail, and the prevalence significantly increases in people aged >80 years.10 Currently, there is a lack of national data regarding the prevalence of sarcopenia and frailty in Indonesia, especially in Surabaya. Also, agreements have not been investigated on the instruments and cut-offs of sarcopenia. Therefore, the aim of this study is to determine the prevalence of sarcopenia and frailty as a basis for subsequent research. METHODS This is a cross-sectional, observational, descriptive study, where primary data were obtained using interviews and questionnaires. Also, specific instruments were used to measure sarcopenia and frailty amongst the elderly in Posyandu Lansia in Surabaya. Study Setting Data were collected between December 2017 and March 2018 from five clinics, part of five health centers in Surabaya, which were Puskesmas Tambak Rejo, Sememi, Menur, Perak Timur, and Putat Jaya. Study Population and Sampling Method The study population comprised the elderly aged ≥60 years. Cluster random sampling was used. One health center from each of the five administrative regions in Surabaya was randomly selected for data collection. The elderly selected for the study encompassed those who were recorded in the clinics, were willing and able to fill out information on the informed consent sheets, cooperative and capable of undergoing several tests. Furthermore, those with severe cardiovascular or respiration problems, a history of pacemakers utility, and incomplete Vol 52 • Number 1 • January 2020 Sarcopenia and frailty profile in the elderly community of Surabaya 7 checkpoints were excluded. The study was conducted under ethical clearance no. 273/EC/KEPK/FKUA/2017. Study Instruments T h e g e n e r a l c h a r a c t e r i s t i c s o f t h e subjects were obtained using questionnaires. Biopsychosocial profiles, including the comorbidity index, nutritional status, cognitive status, mental status, and functional status, were assessed using the Charlson Comorbidity Index (CCI), the Cumulative Illness Rating Scale (CIRS), the Mini Nutritional Assessment (MNA) questionnaire, the Abbreviated Mental Test (AMT), the Mini-Mental State Examination (MMSE), the Geriatric Depression Scale (GDS), the Barthel Activity of Daily Living (ADL) scale, and Lawton’s Instrumental Activity of Daily Living (IADL). In addition, sarcopenia was measured on the basis of the following AWGS11 parameters: (i) muscle mass, which was evaluated using the Bioelectrical Impedance Analysis Omron Karada scan model HBF-362 (Omron Corporation, Kyoto, Japan) by adopting the cut-off 2SD-derived from 40 subjects of non-sarcopenic young adults as controls12 (men, 6.1 kg/m2; women, 3.05 kg/m2); (ii) hand grip strength was measured using the TKK 5001 Grip A hand dynamometer in triplicate, and the best value was collected; and (iii) walking speed was calculated using the gait speed test, where each subject was requested to walk in a straight line for 6 meters, and the time was recorded using a stopwatch. To determine the degree of sarcopenia, the subjects were divided into the following groups: severe sarcopenia on instances of low muscle mass, hand grip strength, and gait speed; and sarcopenia if the muscle mass was low and the hand grip strength or gait speed was low; presarcopenia if only the muscle mass was low; and normal if all parameters were normal.13 Based on the Cardiovascular Health Study (CHS) scale3 the measurement for frailty involved using the following items: unintentional weight loss, weakness with cut-off according to the body mass index, fatigue, slow gait speed, and low physical activity (measured using the Physical Activity Scale for the Elderly). Furthermore, the subjects were divided into groups as follows: frailty if three of five criteria were met, prefrailty if one or two were attained, and fit if none was met. Statistical Analysis Data collected were processed using SPSS Statistics ver. 17.0 (IBM Corporation, Armonk, NY, USA) for Windows (Microsoft Corporation Redmond, WA, USA). The categorical variables were presented in frequencies and percentages, while the continuous variables were presented according to their distributions. Furthermore, Table 1. General characteristics of the subjects in this study Characteristics n (%) Sex - Male 78 (25.3) - Female 230 (74.7) Marital status - Married 178 (57.8) - Widow/widower 117 (38.0) - Divorced 7 (2.3) - Single 6 (1.9) Education - No schooling 48 (15.6) - Some primary 42 (13.6) - Completed primary 98 (31.8) - Junior high school 63 (20.5) - High school 42 (13.6) - Associate’s Degree 7 (2.3) - Bachelor’s Degree 8 (2.6) Monthly income (in millions Rupiahs) - <1.5 234 (75.9) - 1.5–3 55 (17.9) - >3 19 (6.2) Financial dependency - Independent 69 (22.4) - Partially dependent 55 (17.9) - Wholly dependent 160 (51.9) - Pension 24 (7.8) Walker use - No 295 (95.8) - Yes 13 (4.2) Regular exercise - No 106 (34.4) - Yes 202 (65.6) History of falls in the last year - No 270 (87.7) - Yes 38 (12.3) Novira Widajanti Acta Med Indones-Indones J Intern Med 8 continuous variables with normal distributions were presented as mean (standard deviation), while those without were displayed as median (minimum-maximum). RESULTS From December 2017 to March 2018, a total of 320 elderly were screened for the study, where none exhibited severe cardiovascular or respiration problems, and history of utilizing pacemakers. However, about 12 participants were unable to complete the checkpoints, and thus excluded from the study. Out of the 308 total subjects, 230 (74.7%) were women, with a median age of 63 (60–100) years, and Table 1 shows other general characteristics. The median comorbidity score based on the CCI was 4.00 (2–10). The median 10-year survival rate was 0.53 (0.00–0.90). Based on the CIRS, the three most frequent comorbidities were musculoskeletal disorders (mild: n = 187 [60.7%]; moderate: n = 23 [7.5%]), hypertension, and sensory system disorders. Based on the Lawton’s IADL tool, the median functional status score was 6.00 (1–8) for men and 8.00 (0–8) for women, and Table 2 shows other biopsychosocial profiles of the subjects. The median value for hand grip strength was 29.00 kg (15.00–44.00 kg) and 18.50 kg (6.00–29.00 kg) for men and women. The median gait speed for men was 0.78 m/s (0.30–1.32 m/s); whereas the mean gait speed for women was 0.70 (SD 0.20) m/s. In addition, the mean muscle mass for men was 4.89 (SD 1.30) kg/ m2; while the median muscle mass for women was 3.08 (1.33–5.52) kg/m2. Table 3 shows the distribution of all three sarcopenia parameters. Table 2. Biopsychosocial profile of the subjects in this study Variables n (%) AMT - Severe mental impairment 5 (1.6) - Mild-moderate mental impairment 22 (7.1) - Normal 281 (91.2) MMSE - Severe cognitive impairment 12 (3.9) - Mild cognitive impairment 53 (17.2) - Normal 243 (78.9) GDS - Normal 305 (99.0) - Depressive 3 (1.0) Nutritional status - Normal 216 (70.1) - At risk of malnutrition 81 (26.3) - Malnourished 11 (3.6) Barthel ADL - Partially dependent 4 (1.3) - Minimally dependent 94 (30.5) - Totally independent 210 (68.2) AMT, abbreviated mental test; MMSE, Mini-Mental State Examination; GDS, geriatric depression scale; ADL, activity of daily living. Table 3. Distribution of sarcopenia parameters Variables Male - n (%) Female - n (%) Hand grip strength - Low 27 (8.8) 101 (32.8) - Normal 51 (16.6) 129 (41.9) Gait speed - Low 42 (13.6) 162 (52.6) - Normal 36 (11.7) 68 (22) Muscle mass - Low 66 (21.4) 109 (35.4) - Normal 12 (3.9) 121 (39.3) The prevalence rate was 41.8%, where 43 (13.9%) men and 86 (27.9%) women were sarcopenic, and 63 (20.4%) of the subjects exhibited severe symptoms. On the basis of the CHS scale, the prevalence rate of frailty was 36.7%, of which 16 (5.2%) were men and 97 (31.5%) were women, with details shown in Table 4. DISCUSSION Sarcopenia is defined as low muscle mass with low hand grip strength or low gait speed.11 Furthermore, its prevalence rate in Asia (2008)14 was 6%–23% and 8%–22% in men and women, respectively, with the lowest prevalence was found in Hong Kong (12.3% in men and 7.6% in women) and Korea (6.3% in men and 4.1% in women).15 Conversely, the highest incidence is recorded in Taiwan (23.6% in men and 18.6% in women)14 and Japan (21.8% in men and 22.1% in women).16 Vol 52 • Number 1 • January 2020 Sarcopenia and frailty profile in the elderly community of Surabaya 9 Specifically, this study records a prevalence of 13.9% in men and 27.9% in women, which is much higher than the studies conducted in Bandung, reported based on the cut-off recommended by the AWGS of 9.1% (7.4% in men and 1.7% in women) and 40.6% (20.1% in men and 20.5% in women) based on the cut-off from Taiwan’s population.7 The subjects in this study had a much lower mean muscle mass for both men and women, compared to the research in Bandung, with the women in both exhibiting relatively lower values. A study by Pongchaiyakul et al17 in Thailand showed a higher prevalence of sarcopenia, based on the assessment of low relative skeletal muscle mass only, both in men and women, which were 35.33% and 34.74% respectively. In addition, living in the city had the strongest association with low skeletal muscle index with an odds ratio (OR) of 17.26 (SD 7.12) in men and 8.62 (SD 2.74) in women. Living in the biggest metropolitan city in the province, the people of Surabaya tend to have a more sedentary lifestyle. This contributes to the development of sarcopenia, asides from the factor associated with age, which were from the factors associated with activities and nutrition.17-18 Similar results were established in a study of Brazilian elderly women conducted by Mazocco et al.19, which demonstrated a higher vulnerability in those living in urban areas (OR = 9.561). In addition, less sun exposure, more diet high in fats and refined carbohydrates, and also low fiber intake are other possible reasons for the high prevalence.17 About 86 (27.9%) women studied were sarcopenic, which is much higher than in men (13.9%). This is in line with a study of suburb- dwelling older Chinese in 2016, recording a higher occurrence in women than men, of 11.5% and 6.4% respectively. According to the study, the higher BMI in men was identified as a protective factor against sarcopenia.20 Also, menopause is capable of changing body composition and fat distribution, consequently the composition of fat-free body mass in women declines with increasing body weight, fat mass, and central fat deposition. This is characterized by the tendency to exhibit decreased muscle mass,21 and a higher incidence of sarcopenia. Interesting results were reported for the muscle mass values, as categorized in Table 3, which was low for the majority of men (n = 66 [21.4%]), and normal for most women (n = 121 [39.3%]). According to Roubenoff, men tend to experience a more significant decrease in muscle mass as a result of the declining growth hormone and testosterone levels.22 Hence, some studies reported a relatively higher prevalence in men.14-15 Malnutrition was associated with the development of sarcopenia.18,23-25 On the basis of the MNA questionnaire, 81 (26.3%) subjects in this study were classified to be at risk of malnutrition and 11 (3.6%) were malnourished. The prevalence of malnutrition was lower (1.2%) in Iran, where the prevalence of sarcopenia was 20.8%.23 Lower prevalence of sarcopenia was also identified in a study among community- dwelling elderly in Taiwan (6.8%), where the prevalence of abnormal nutritional status (both at risk and already malnourished) was only 5.1%.24 In addition, malnourished individuals tend to lack nutritional factors like protein, vitamin D, calcium, and the acid-base balance of a diet, which plays a role in maintaining muscle mass and muscle strength, as well as physical performance,18 necessary in the diagnosis of Table 4. Distribution of frailty parameters based on the CHS scale. Variables Male - n (%) Female - n (%) Weight loss - No 69 (22.4) 205 (66.6) - Yes 9 (2.9) 25 (8.1) Hand grip weakness - No 75 (24.4) 128 (41.6) - Yes 3 (1) 102 (33.1) Fatigue - No 57 (18.5) 159 (51.6) - Yes 21 (6.8) 71 (23) Slow gait speed - No 29 (9.4) 29 (9.4) - Yes 49 (15.9) 201 (65.3) Low levels of physical activity - No 35 (11.4) 95 (30.8) - Yes 43 (14) 135 (43.8) CHS, Cardiovascular Health Study. Novira Widajanti Acta Med Indones-Indones J Intern Med 10 sarcopenia. Meanwhile, the other possible explanation is because malnourished people demonstrate reduced muscle protein synthesis.25 Frailty The prevalence rate of frailty in the present study was 5.2% in men and 31.5% in women. Overall, the prevalence of frailty was 36.7%. The prevalence rate of frailty according to the CHS in the elderly aged >=65 years is 7%, reaching 30% in those aged >=80 years.3 Lower results were found in a study by Setiati et al.26 recording a prevalence of 25.2%, where nutritional and functional status, as well as age were considered as essential factors. Despite the relatively older mean age (74.2%) recorded,26 the proportion of individuals at risk and those already malnourished was lower than the values reported in the present study of 24.6% and 2.5% respectively. However, it is also noted that Setiati et al.26 recruited the subjects from the hospital, of which some were referred from primary health care and smaller hospitals. This consequently leads to differences in the prevalence of frailty in comparison with other elderly individuals in the Indonesian population. Another study by Setiati et al.9 (2013), reported on the frailty prevalence rate of 27.4% in 270 elderly individuals of an outpatient setting, while 71.1% was recorded for prefrailty. Women are known to be at a two times higher risk of being frail compared to men.10 This phenomenon is possibly explained through various mechanisms, including the fact that women exhibit lower hand grip strength than men, with a mean value of 18.5 kg and 29 kg, respectively. This is due to the fact that women possess greater fat mass,21 and the relatively higher vulnerable to fatigue. Specifically, fatigue is defined on the basis of two items identified in the Center for Epidemiologic Studies Depression Scale (CES-D) questionnaire: • I find it difficult to start activities as usual. • I feel the need for extra effort to start the activity. Using similar definition, Vestergaard et al.27 reported a 15% and 29% prevalence rate of fatigue in men and women, respectively in Italy. Also, using reduced energy as the definition, Tolea et al.28 reported the experience in 12% of men and 22% of women. Comparably, women tend to exhibit a slightly lower speed, due to the variation in anthropometric size and lifestyles.28 Among the elderly, Lenardt et al.29 (2013) reported men as more physically active. There was higher prevalence of frailty among women in the present study than men (31.5% vs. 5.2%). A study by Rensa et al.30 reported a 24% proportion in women, with report of a relatively older median age (67 years old). However, the B-ADL was lower in the present study, which according to Rensa et al,30 was associated with the frailty syndrome in elderly. The prevalence further increases significantly in individuals >80 years of age,10 as cellular m e t a b o l i s m a n d p h y s i o l o g i c a l f u n c t i o n progressively decreases over time. In addition, the musculoskeletal system is also affected by sarcopenia, characterized by the reduced muscle strength, mobility, balance, and tolerance for activities, subsequently increasing the risk of falls and physical inactivity.31 Weight loss results in reduced fat mass, muscle mass, and bone.32 Furthermore, low muscle mass is one of the factors associated with the decline in gait speed and weakness of hand grip in sarcopenia,33 hence the overlapping relationship with frailty.34 In addition, low muscle mass is also associated with fatigue.35 According to Newman36 (2005), about 15%–20% of the elderly experience weight loss, which is defined as a loss of >=5 kg (or >5%) of the initial body weight for 5–10 years. This prevalence increases in high-risk populations, encompassing community-dwelling elderly, and it is also associated with advanced age, presence of disability, comorbidity, hospital admission history, low level of education, cognitive impairment, smoking, death of a partner, and low initial body weight.27 Conversely, physical activities are affected by both physiological and external factors, including opportunities, gender-related sociocultural values, motivation, and choices.37 Health problems are risk factors for a decreased functional status, creating limitations for the elderly, which results in complications and the emergence of new problems.38 Therefore, the presence of physical Vol 52 • Number 1 • January 2020 Sarcopenia and frailty profile in the elderly community of Surabaya 11 activity is an indicator of independence in daily life, which contributes towards the reduction and control of cardiovascular and ischemic heart disease.39 There was an association between cognition and frailty,40-41 which was better illustrated as a cycle as frailty increases the risk of future cognitive decline and conversely cognitive impairment increases the risk of frailty.41 A systematic review on 10 cross-sectional studies and 9 longitudinal studies reported that cognitive impairment was more prevalent in frail elderly.40 This result is in line with the present study, where most (75%) of the elderly with severe cognitive impairment were frail and 54.7% of those with mild cognitive impairment were frail. (Table 5). young adults as the reference for the diagnosis of sarcopenia. Moreover, according to the authors’ knowledge, the present study is the first multicenter study in Indonesia which has nearly complete sarcopenia and frailty profile in the elderly. This study is expected to be a basis for subsequent research. CONCLUSION The prevalence rates of sarcopenia and frailty in the elderly population of Surabaya are high. However, the results obtained differ from other previous research perfomed in several cities of Indonesia, hence an agreement on the instruments and cut-offs is required in the determination of sarcopenia. ACKNOWLEDGMENTS The author is grateful to the Heads of the Tambak Rejo Community, Menur, Sememi, Perak Timur, and Putat Jaya Health Center, as well as the supervised Posyandu, Posyandu Lansia cadres in each, and all parties involved in ensuring the successful completion of this research. This Study was funded by Dr. Soetomo Hospital, Surabaya Research Program. 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