Table 2 Primary and secondary outcome parameters
Outcomes | HBCAA group (n = 70) | Control group (n = 67) | Mean/risk difference (95% CI) | P |
|---|---|---|---|---|
Primary outcome | ||||
 Standard LOS, d | 8 (7.5, 8) | 8.5 (8, 9) | 0.38 (0.02 to 0.74) |  < .001 |
Secondary outcomes | ||||
 Postop. First flatus, d | 3 (2.5, 3.5) | 3 (3, 4) | 0.15 (-0.12 to 0.42) | .179 |
 Postop. First defecation, d | 4 (3.6, 5) | 5 (4, 5.5) | 0.60 (0.26 to 0.94) |  < .001 |
 PONV, n (%) | 1 (1.43) | 2 (2.99) | 1.56 (-3.38 to 6.49) | .969 |
 Postop. Liquid diet, d | 5 (5, 6) | 5 (5, 6) | -0.05 (-0.40 to 0.29) | .834 |
 Postop. Semi-liquid diet, d | 8 (7.5, 8) | 8 (8, 8.75) | 0.36 (0.03 to 0.70) |  < .001 |
 Gastrointestinal tube removal, d | 2 (1, 3) | 2 (1, 4) | 0.28 (-0.18 to 0.74) | .251 |
 Ureter tube removal, d | 4 (4, 4) | 4 (4, 4) | 0.159 (-0.10 to 0.42) | .437 |
 Postop. Ambulation, d | 2 (2, 2) | 2 (2, 2.75) | 0.08 (-0.11 to 0.27) | .633 |
 Weight loss, % | 3.5 (2.7, 6.5) | 4.9 (3.3, 7.6) | 1.23 (0.27 to 2.19) | .011 |
 Major complications, n (%) | 15 (21.43) | 10 (14.93) | -6.5 (-19.36 to 6.35) | .445 |
 Hospitalization costs, mean (SD), ¥ | 58,733.6 (9517.7) | 57,475.3 (8274.4) | 2942.41 (-2570.12 to 7095.87) | .253 |
 28-day mortality, n (%) | NA | NA |  |  |
 28-day readmission, n (%) | 1 (1.43) | 3 (4.48) | 3.05 (-2.63 to 8.73) | .581 |