Table 1 Baseline characteristics
From: Laparoscopic repair of perforated peptic ulcer: a multicenter, propensity score matching analysis
Total Cohort | Matched Cohort | |||||
|---|---|---|---|---|---|---|
LS (n = 351) | OS (n = 247) | P value | LS (n = 183) | OS (n = 183) | P value | |
Male sex | 293 (83.5%) | 180 (72.9%) | 0.002 | 138 (75.4%) | 140 (76.5%) | 0.807 |
Age, year | 52.64 (18–97) | 58.65 (19–92) | < 0.001 | 56.03 (18–97) | 55.94 (19–92) | 0.960 |
BMI, kg/m2 | 21.83 (14.30–33.30) | 21.84 (12.27–33.30) | 0.992 | 21.67 (14.30–33.30) | 21.82 (14.47–33.30) | 0.654 |
ASA score, n (%) | 0.001 | 0.951 | ||||
1 | 218 (62.1%) | 122 (49.4%) | 100 (54.6%) | 100 (54.6%) | ||
2 | 90 (25.6%) | 67 (27.1%) | 50 (27.3%) | 48 (26.2%) | ||
3 | 43 (12.3%) | 58 (23.5%) | 33 (18.0%) | 35 (19.1%) | ||
Previous abdominal surgery | 37 (10.5%) | 32 (13.0%) | 0.363 | 26 (14.2%) | 27 (14.8%) | 0.882 |
Current alcohol consumption | 208 (59.3%) | 103 (41.9%) | < 0.001 | 86 (47.0%) | 89 (48.6%) | 0.754 |
Current smoker | 185 (52.7%) | 114 (46.3%) | 0.126 | 94 (51.4%) | 92 (50.3%) | 0.834 |
Symptom duration before operation, hour | 14.57 (2–126) | 19.41 (3–224) | 0.021 | 16.24 (2–126) | 14.60 (3–80) | 0.395 |
Boey score | < 0.001 | 0.892 | ||||
0 | 273 (78.0%) | 147 (59.5%) | 128 (69.9%) | 125 (68.3%) | ||
1 | 64 (18.3%) | 70 (28.3%) | 45 (24.6%) | 46 (25.1%) | ||
2 | 13 (3.7%) | 27 (10.9%) | 10 (5.5%) | 12 (6.6%) | ||
3 | 0 (0%) | 3 (1.2%) | 0 (0%) | 0 (0%) | ||
White blood cell count, 109/L | 11.66 (1.90–47.70) | 12.00 (1.29–64.70) | 0.520 | 11.95 (1.90–47.70) | 11.55 (1.50–31.10) | 0.499 |
Neutrophil count, 109/L | 9.50 (1.04–42.93) | 9.91 (1.00–61.98) | 0.424 | 9.81 (1.04–42.93) | 9.36 (1.17–28.77) | 0.415 |
Hemoglobin, g/dL | 13.82 (4.1–19.7) | 13.69 (5.0–20.0) | 0.566 | 13.33 (4.1–19.7) | 13.74 (5.0–20.0) | 0.145 |
CRP, mg/L | 18.65 (0.01–433.80) | 42.52 (0.06–403.20) | 0.001 | 24.35 (0.01–433.80) | 32.21 (0.06–368.95) | 0.317 |
NLR | 10.84 (0.38–92.00) | 11.38 (0.87–67.35) | 0.565 | 10.91 (0.97–61.00) | 10.06 (0.87–67.35) | 0.421 |
PLR | 307.01 (0.83–3757.4) | 348.54 (44.97–1835) | 0.141 | 301.18 (0.83–3757.4) | 316.83 (44.97–1835) | 0.641 |
Serum albumin, g/dL | 4.00 (1.7–5.1) | 3.83 (1.5–4.9) | 0.001 | 3.95 (2.3–5.0) | 3.93 (1.9–4.9) | 0.807 |
Site of PPU | 0.537 | > 0.999 | ||||
Stomach | 147 (41.9%) | 108 (43.7%) | 78 (42.6%) | 78 (42.6%) | ||
Duodenum | 203 (57.8%) | 139 (56.3%) | 105 (57.4%) | 105 (57.4%) | ||
Unknown | 1 (0.3%) | 0 (0%) | 0 (0%) | 0 (0%) | ||
Diameter of perforation, mm | 7.77 (1–30) | 8.88 (1–50) | 0.048 | 8.18 (1–30) | 8.71 (1–50) | 0.457 |