Table 6.
Subgroup analysis of patients who underwent primary laparotomy or converted laparotomy with PULP score ≥ 4 points after propensity score matching with PULP, Boey, and ASA scores
| Primary laparotomy (n = 64) | Conversion to laparotomy (n = 32) | p value | |
|---|---|---|---|
| Age | 70.6 ± 13.7 (38–98) | 69 ± 14.2 (34–90) | 0.604 |
| PULP score | 6.5 ± 1.6 (4–11) | 6.5 ± 2 (4–12) | 0.967 |
| Boey score | 0.5 ± 0.8 (0–3) | 0.6 ± 0.9 (0–2) | 0.600 |
| ASA score | 3.1 ± 0.3 (3–4) | 3 ± 0.2 (3–4) | 0.198 |
| Operation method | 0.046 | ||
| Simple closure | 55 (85.9%) | 22 (68.8%) | |
| Gastrectomy | 9 (14.1%) | 10 (31.3%) | |
| Ulcer size | 1.5 ± 1.3 (0.1–8) | 1.9 ± 1.6 (0.4–8) | 0.225 |
| Operation time (mins) | 164 ± 85 (73–547) | 205 ± 72.2 (116–361) | 0.022 |
| Intraoperative blood loss | 73.4 ± 167.7 (0–950) | 73.9 ± 99.4 (0–400) | 0.988 |
| Intraoperative blood transfusion | 14 (21.9%) | 5 (15.6%) | 0.469 |
| Length of hospital stay | 16.5 ± 13.8 (2–82) | 14.8 ± 10.7 (8–52) | 0.554 |
| Length of ICU stay | 4.5 ± 7.5 (0–38) | 4.3 ± 9.1 (0–39) | 0.894 |
| Mortality | 7 (10.9%) | 2 (6.3%) | 0.713 |
| Complication Classification III and IVa | 9 (14.1%) | 3 (9.4%) | 0.119 |
| Wound infection | 6 (9.4%) | 4 (12.5%) | 0.727 |
| Residual abscess | 5 (7.8%) | 1 (3.1%) | 0.660 |
| Leakage | 7 (10.9%) | 5 (15.6%) | 0.527 |
| Wound disruption | 2 (3.1%) | 1 (3.1%) | 1.000 |
| Pulmonary complicationsb | 10 (15.6%) | 4 (12.5%) | 0.768 |
aIncluding complications with Clavien–Dindo Classification III and IV
bIncluding pneumonia, empyema, pleural effusion, and pulmonary edema