Table 1 The relationship between the type of transanal drainage tube and the clinicopathological factors before propensity score matching
Total | OPEN group | CLOSED group | P-value | |||||
|---|---|---|---|---|---|---|---|---|
n = 233 | n = 43 | 18.5% | n = 190 | 81.5% | ||||
Sex | female | 98 | 42.1% | 23 | 53.5% | 75 | 39.5% | 0.093 |
male | 135 | 57.9% | 20 | 46.5% | 115 | 60.5% | ||
Average age (SD) | 68.4(10.5) | 68.8(11.2) | 68.4(10.3) | 0.820 | ||||
Average BMI (SD) | 23.0(3.6) | kg/m2 | 22.2(3.7) | kg/m2 | 23.2(3.8) | kg/m2 | 0.112 | |
DM | + | 44 | 18.9% | 11 | 25.6% | 33 | 17.4% | 0.241 |
- | 189 | 81.1% | 32 | 74.4% | 157 | 82.6% | ||
Brinkman index | ≥ 400 | 82 | 35.2% | 11 | 25.6% | 71 | 37.4% | 0.144 |
< 400 | 151 | 64.8% | 32 | 74.4% | 119 | 62.6% | ||
mGPS | 0 | 181 | 77.7% | 34 | 79.1% | 147 | 77.4% | 0.765 |
1 | 33 | 14.2% | 5 | 11.6% | 28 | 14.7% | ||
2 | 17 | 7.3% | 4 | 9.3% | 13 | 6.8% | ||
ASA-PS | 1 | 9 | 3.9% | 1 | 2.3% | 8 | 4.2% | 0.843 |
2 | 175 | 75.1% | 33 | 76.7% | 142 | 74.7% | ||
3 | 49 | 21.0% | 9 | 20.9% | 40 | 21.1% | ||
Distal tumor edge | Sigmoid colon | 104 | 44.6% | 11 | 25.6% | 93 | 48.9% | < 0.001 |
upper rectum | 66 | 28.3% | 15 | 34.9% | 51 | 26.8% | ||
millde rectum | 49 | 21.0% | 9 | 20.9% | 40 | 21.1% | ||
lower rectum | 14 | 6.0% | 8 | 18.6% | 6 | 3.2% | ||
Operative procedure | S | 94 | 40.3% | 14 | 32.6% | 80 | 42.1% | 0.134 |
HAR | 56 | 24.0% | 8 | 18.6% | 48 | 25.3% | ||
LAR | 83 | 35.6% | 21 | 48.8% | 62 | 32.6% | ||
Surgical approach | Lap | 188 | 80.7% | 22 | 51.2% | 166 | 87.4% | < 0.001 |
Ro | 45 | 19.3% | 21 | 48.8% | 24 | 12.6% | ||
Average operative time (SD) | 238(79.6) | min | 263(77.2) | min | 233(79.3) | min | 0.012 | |
Average blood loss (SD) | 37.4(77.3) | ml | 45.1(96.4) | mL | 35.7(72.5) | mL | 0.471 | |
T | is, 1, 2 | 111 | 47.6% | 21 | 48.8% | 90 | 47.4% | 0.862 |
3. 4 | 122 | 52.4% | 22 | 51.2% | 100 | 52.6% | ||
N | ( +) | 58 | 24.9% | 15 | 34.9% | 43 | 22.6% | 0.093 |
(-) | 175 | 75.1% | 28 | 65.1% | 147 | 77.4% | ||
Stage | 0/1 | 97 | 41.6% | 17 | 39.5% | 80 | 42.1% | 0.207 |
2 | 78 | 33.5% | 11 | 25.6% | 67 | 35.3% | ||
3 | 58 | 24.9% | 15 | 34.9% | 43 | 22.6% | ||
Postoperative complication | ||||||||
All complications | ( +) | 76 | 32.6% | 8 | 18.6% | 68 | 35.8% | 0.030 |
(-) | 157 | 67.4% | 35 | 81.4% | 122 | 64.2% | ||
All complications over C-DIIIA | ( +) | 25 | 10.7% | 1 | 2.3% | 24 | 12.6% | 0.033 |
(-) | 208 | 89.3% | 42 | 97.7% | 166 | 87.4% | ||
Anastomotic leakage | ( +) | 23 | 9.9% | 1 | 2.3% | 22 | 11.6% | 0.048 |
(-) | 210 | 90.1% | 42 | 97.7% | 168 | 88.4% | ||
Reoperation due to anastomotic leakage | ( +) | 8 | 3.4% | 0 | 0.0% | 8 | 4.2% | 0.357 |
(-) | 225 | 96.6% | 43 | 100.0% | 182 | 95.8% | ||