id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
aiua-11524	Fathi, Basem A.; Elgammal , Ahmed A.; Abouelgreed, Tamer A.; Ghoneimy , Osama M.; Aboelsaad, Ahmed Y.; Alhefnawy , Mohamed A.	The outcomes of flexible ureteroscopy for renal calculi of 2 cm or more with and without the use of ureteral access sheath: A retrospective study	2023	6	.pdf	application/pdf	4258	217	63	Without UAS With UAS P N = 52 N = 60 Demographics Age (years) Mean ± SD 42.1 11.6 40.7 10.5 0.505 Range 23 73 20 67 Sex Males N, % 30 57.7% 38 63.3% 0.542 Females N, % 22 42.3% 22 36.7% History Medical Absent N, % 46 88.5% 52 86.7% 0.987 HTN N, % 3 5.8% 4 6.7% NIDDM N, % 2 3.8% 3 5.0% HTN&DM N, % 1 1.9% 1 1.7% Surgical Absent N, % 32 61.5% 37 61.7% 1 PNL N, % 2 3.8% 2 3.3% SWL N, % 9 17.3% 11 18.3% URS N, % 6 11.5% 7 11.7% Pyelolithotomy N, % 2 3.8% 2 3.3% URS and SWL N, % 1 1.9% 1 1.7% Main presentation Loin pain Present N, % 52 100.0% 60 100.0% - Hematuria Absent N, % 42 80.8% 48 80.0% 0.919 Present N, % 10 19.2% 12 20.0% Laboratory data Pus cell Mean ± SD 9.3 17.9 10.3 17.6 0.755 Range 0 100 0 100 Urine culture Absent N, % 40 76.9% 48 80.0% 0.285 E-coli N, % 9 17.3% 8 13.3% Klebsiella N, % 3 5.8% 1 1.7% Staphyloccocus areus N, % 0 0.0% 3 5.0% Blood urea (mg/dL) Mean ± SD 32.0 7.6 32.1 7.4 0.964 Range 18 46 18 46 Serum creatinine (mg/dL) Mean ± SD 1.0 0.2 1.0 0.3 0.324 Range 0.10 1.50 0.50 1.90 Figure 1. Stone characteristics Without UAS With UAS P N = 52 N = 60 Side Left N, % 25 48.1% 29 48.3% 0.978 Right N, % 27 51.9% 31 51.7% Stone size (mm) Mean ± SD 22.5 2.0 22.6 2.5 0.839 Range 15 26 14 27 Stone location Pelvis N, % 29 55.8% 34 56.7% 0.987 Upper calyx N, % 7 13.5% 9 15.0% Middle calyx and pelvis N, % 8 15.4% 9 15.0% Pelvis &lower calyx N, % 8 15.4% 8 13.3% Hounsfield units Mean ± SD 953.6 341.8 953.1 337.2 0.994 Range 250 1700 250 1700 Table 3.	cache/aiua-11524.pdf	txt/aiua-11524.txt