Table 2.
Operative outcomes and postoperative complication before propensity score matching.
| Group PDM (n=83) | Group Non-PDM (n=260) | P value | |
|---|---|---|---|
| Duration of surgery (min)a | 224 (165-263) | 200 (170-245) | 0.216 |
| Intraoperative blood loss (ml)a | 50 (30-60) | 50 (30-50) | 0.751 |
| The time from separation of the planned crosscutting level of the mesentery to evaluation of the planned crosscutting level (min)a | 49 (43-62) | ||
| Change in surgical plan (%) | 9 (10.8) | ||
| Transfusion (%) | 0 (0) | 3 (1.2) | 0.326 |
| Reoperation (%) | 0 (0) | 7 (2.7) | 0.131 |
| Mortality (%) | 0 (0) | 0 (0) | |
| Intensive care (%) | 3 (3.6) | 8 (3.1) | 0.809 |
| Time of first exhaust (days)a | 1 (1-2) | 2 (1-2) | 0.165 |
| The time of first bowel movement (days)a | 2 (2-3) | 3.5 (3-4) | 0.000 |
| Hospital stay (days)a | 8 (7-10) | 8 (7-10) | 0.063 |
| Postoperative complications (%) | 29 (34.9) | 127 (48.8) | 0.027 |
| Complications not related to anastomosis (%) | 27 (32.5) | 101 (38.8) | 0.300 |
| Urinary infection (%) | 1 (1.2) | 3 (1.2) | 0.970 |
| Pneumonia (%) | 1 (1.2) | 14 (5.4) | 0.105 |
| Ileus (%) | 1 (1.2) | 13 (5.0) | 0.128 |
| Wound infection (%) | 1 (1.2) | 6 (2.3) | 0.536 |
| Intraabdominal infection (%) | 18 (21.7) | 57 (21.9) | 0.964 |
| Anastomotic leakage (%) | 1 (1.2) | 22 (8.5) | 0.021 |
| Bleeding at anastomotic site (%) | 1 (1.2) | 4 (1.5) | 0.825 |
| Others (%) | 5 (6.0) | 8 (3.1) | 0.221 |
Values in parentheses are percentages, unless indicated otherwise; a values are median (interquartile range: 25-75th percentile). PDM, pre-division of the mesentery.