Table 1 Patient Demographics and Baseline Characteristics of the Intention to Treat Population
Variable | OLIVE (n = 226) | SOYBEAN (n = 232) | P Value |
|---|---|---|---|
Sex, n (%) | Â | Â | 0.482 |
 Male | 134 (59.3) | 145 (62.5) |  |
 Female | 92 (40.7) | 87 (37.5) |  |
Race, n (%) | Â | Â | 0.673 |
 Chinese Han | 216 (95.6) | 220 (94.8) |  |
 Chinese other minority | 8 (3.5) | 11 (4.7) |  |
 Other | 2 (0.9) | 1 (0.4) |  |
Age, years, mean ± SD | 55.8 ± 13.1 | 56.3 ± 11.7 | 0.656 |
BMI, kg/m2, mean ± SD | 21.7 ± 3.9a | 21.8 ± 3.9b | 0.667 |
Underwent surgery, n (%) | 195 (86.3) | 202 (87.1) | 0.805 |
Complexity of surgeryc, n (%) | Â | Â | 0.859 |
 Medium complexity | 49 (21.7) | 48 (20.7) |  |
 High complexity | 140 (61.9) | 143 (61.6) |  |
 Missing | 37 (16.4) | 41 (17.7) |  |
Duration of surgery, hours, mean ± SD | 2.9 ± 1.3 | 3.0 ± 1.4 | 0.645 |