Upsala J Med Sci 91: 220, 1986 25 FIGURE Measurments and r e g r e s s i o n l i n e f o r 111 b l o o d samples g l u c o s e c o n t e n t i n k 2 0 - assayed b y t h e 2 l a b o r a t o r y ( x - a x i s ) E and t h e ward ( y - a x i s ) . F o r methodo- w r l o g i c a l d e t a i l s - u see t e x t . s 3 The h a t c h e d l i n e i n d i c a t e s a 1:l - r e l a t i o n s h i p . The c - L - - 15- Y Q 10- E r e g r e s s i o n e q u a t i o n 2 which i s s i g n i f i - s 5 - c a n t l y d i f f e r e n t 2 I i s : y=0.956x + 1.43, v) f r o m t h e 1 : l r e l a - t i o n s h i p . Bed-side Analysis of Blood Glucose - I 5 10 15 20 25 Christina Pilstrom Department of Pediatrics, University Hospital, Uppsala, Sweden P a t i e n t s w i t h n e w l y d i a g n o s e d d i a b e t e s a r e t r e a t e d w i t h i . v . i n f u s i o n s o f i n s u l i n . I n o r d e r t o m o n i t o r t h e i n f u s i o n i t i s n e c e s s a r y t o use a r a p i d , r e l i a b l e method f o r g l u c o s e a n a l y s e s . B l o o d g l u c o s e levels o f t h e same samples were measured i n a c l i n i c a l c h e m i c a l l a b o r a t o r y a s w e l l a s i n t h e p e d i a t r i c ward. T o t a l l y I11 c a p i l l a r y b l o o d samples f r o m 1 3 p a t i e n t s were a n a l y z e d i n d e p e n d e n t o f t i m e o f t h e day. The l a b o r a t o r y d e t e r m i n a t i o n s were p e r f o r m e d i n two d i f f e r e n t l a b o r a t o r i e s b y t h e o r d i n a r y l a b o r a t o r y s t a f f w i t h e i t h e r t h e g l u c o s e a n a l y z o r Y S I o r a g l u c o s e dehydrogenase method a p p l i e d t o a G r e i n e r G-300. I n t h e ward t h e a n a l y s e s were p e r f o r m e d b y t h e n u r s e s i n c h a r g e u s i n g t h e t e s t - s t r i p BM-test-BG and a r e f l e c t o m e t e r (Glucocheck 11). because t h e answer f r o m t h e l a b o r a t o r y r e a c h e d t h e ward more t h a n one h o u r a f t e r t h e achievment o f t h e s t r i p - m e t h o d r e s u l t . The two measurments a r e c o n s i d e r e d as i n d e p e n d e n t The i n v e s t i g a t i o n shows t h a t t h e use o f Glucocheck II/BM-test-BG f o r bed- s i d e b l o o d g l u c o s e m o n i t o r i n g g i v e s r e s u l t s w i t h a p o o r agreement t o t h e r e s u l t s o f t h e same samples f r o m t h e c h e m i c a l l a b o r a t o r y . 220