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