Table 1.
Patient characteristics (clinical, surgical and pathological factors)
| DKT (n = 174) | Placebo (n = 162) | P value | |
|---|---|---|---|
| Gender | |||
| Male | 98 | 99 | 0.378 |
| Female | 76 | 63 | |
| Age (years) | 68 (28–88) | 69 (35–91) | 0.238 |
| Height (cm) | 159.04 ± 8.76 | 159.39 ± 9.34 | 0.716 |
| Body weight (kg) | 57.52 ± 11.34 | 56.90 ± 11.37 | 0.658 |
| Performance status (ECOG) | |||
| 0 | 158 | 147 | 1.000 |
| 1 | 16 | 15 | |
| Past history | |||
| (−) | 120 | 100 | 0.170 |
| (+) | 54 | 62 | |
| Bowel preparation | |||
| (+) | 150 | 140 | 1.000 |
| (−) | 24 | 22 | |
| Anesthetic time (h) | 3.95 ± 1.07 | 4.06 ± 1.21 | 0.473 |
| Epidural anesthesia | |||
| (+) | 150 | 139 | 1.000 |
| (−) | 2 | 2 | |
| N/A | 22 | 21 | |
| Operative time (h) | 2.91 ± 0.89 | 3.00 ± 1.00 | 0.446 |
| Estimated blood loss (ml) | 202.5 ± 226.9 | 222.9 ± 265.5 | 0.774 |
| Type of operation | |||
| Ileocecal resection | 13 | 11 | 0.064 |
| Right hemicolectomy | 41 | 34 | |
| Left hemicolectomy | 12 | 8 | |
| Sigmoidectomy | 36 | 15 | |
| Anterior resection | 58 | 37 | |
| Partial resection | 10 | 13 | |
| Adhesion preventive sheet | |||
| (+) | 90 | 81 | 0.827 |
| (−) | 84 | 81 | |
| Tumor size (mm) | 54.9 ± 21.5 | 52.3 ± 22.4 | 0.098 |
| T | |||
| T1 | 3 | 10 | 0.218 |
| T2 | 10 | 13 | |
| T3 | 153 | 130 | |
| T4 | 8 | 7 | |
| N | |||
| N0 | 86 | 83 | 0.820 |
| N1 | 63 | 55 | |
| N2 | 17 | 19 | |
| N3 | 8 | 5 | |
| M | |||
| M0 | 173 | 161 | 1.000 |
| M1 | 1 | 1 | |
| Curability | |||
| R0 | 170 | 157 | 0.918 |
| R1 | 3 | 3 | |
| R2 | 1 | 1 | |
DKT, Daikenchuto; N/A: not applicable.