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Table 1 Univariate regression analysis of patient and procedural data and their relationship to the median volume of fluid administered

From: Fluid prescription practices of anesthesiologists managing patients undergoing elective colonoscopy: an observational study

Variable Lower fluid volume (<325 ml) n (%) Higher fluid volume (>325 ml) n (%) p-value
Total (n = 289) 166 (57) 123 (42.5) -
Age - - 1.000
<50 yrs (n = 159) 91 (57) 68 (43)  
>50 yrs (n = 130) 75 (58) 55 (42)
Gender - - 0.330
Male (n = 115) 70 (62) 44 (38)  
Female (n = 174) 96 (55) 78 (45)
Hypotension - - 1.000
Yes (n = 17) 10 (59) 7 (41)  
No (n = 272) 156 (57) 116 (43)
Cannula size - - 0.0001*
≤22 g (n = 181) 120 (66) 61 (34)  
≥20 g (n = 108) 47 (44) 61 (56)
Duration - - 1.000
<25mins (n = 105) 61 (58) 44 (42)  
>25mins (n = 61) 35 (57) 26 (43)