Table2.
The results for all cases
| Group A (N=89) | Group B (N=108) | Group C (N=284) | P value | |
|---|---|---|---|---|
| Age years | 65 [54, 72] | 63 [47, 71] | 66 [51, 73] | 0.28 |
| Sex Female, N (%) | 50 (56) | 65 (60) | 133 (47) | 0.03 |
| Height cm | 161 [153, 166] | 158 [152, 165]* | 160 [155, 168]* | 0.008 |
| Weight kg | 54 [50, 63] | 56 [48, 64] | 59 [51, 68] | 0.02 |
| Body Mass Index kg/m2 | 21.9 [20.1, 23.9] | 22.0 [20.2, 24.3] | 22.4 [20.2, 25.7] | 0.61 |
| ASA | 2 [1, 2] | 2 [1, 2] | 2 [1, 2] | 0.50 |
| General surgery, N (%) | 34 (38) | 39 (36) | 96 (34) | 0.74 |
| On-call, N (%) | 39 (44) | 43 (40) | 101 (36) | 0.37 |
| The difference between the instructed and last drinking time, min | 30 [10, 140]* | 30 [10, 60] | 20 [0, 50]* | 0.003 |
| The duration of fasting, min | 243 [150, 395] | 213 [151, 323]* | 180 [146, 280]* | 0.01 |
| Clear fluid consumption of 200 mL or more, N (%) | 8 (9) | 20 (19)* | 8 (2)* | <0.001 |
| Vomit, N (%) | 0 (0) | 0 (0) | 0 (0) | — |
| Hypotension, N (%) | 3 (3) | 1 (1)* | 30 (11)* | <0.001 |
Bold font: p<0.05, with a significant difference between *.