Table 1.
Demographics and clinical characteristics (n = 300/group)
| Gastric cancer | Colon cancer | P value | |
|---|---|---|---|
| Age, yrs | 60.3 ± 11.6 | 62.0 ± 11.2 | 0.057 |
| Male sex, n (%) | 188 (62.7) | 170 (56.7) | 0.134 |
| Weight, kg | 64.0 ± 11.2 | 63.4 ± 11.0 | 0.498 |
| Height, cm | 165.5 ± 7.4 | 165.4 ± 8.0 | 0.865 |
| BMI, kg/m2 | 23.3 ± 3.2 | 23.1 ± 3.2 | 0.529 |
| ASA physical status, n (%) | 0.087 | ||
| I | 172 (57.3) | 148 (49.3) | |
| II | 125 (41.7) | 145 (48.3) | |
| III | 3 (1.0) | 7 (2.3) | |
| Diabetes, n (%) | 44 (14.7) | 49 (16.3) | 0.573 |
| Gastrointestinal obstruction, n (%)a | 13 (4.3) | 0 (0) | < 0.0001 |
| Fasting for solids, h | 34 (24, 38) | 24 (23, 36) | < 0.0001 |
| Fasting for clear liquids, h | 11 (10, 12) | 11 (10, 12) | 0.001 |
The data are expressed as mean ± SD, n (%) or median (interquartile range)
BMI body mass index
aGastrointestinal obstruction means that the patients have a preoperative gastrointestinal obstruction known by gastroscopy or CT examination