Table 1.
Demographic, physiological and surgery-related variables in the cohort of patients undergoing staged laparotomies for peritonitis
| All patients (N = 1351) | Survived (N = 1082) | Died (N = 269) | P | |
|---|---|---|---|---|
| Demographics | ||||
| Sex (male) | 750 (55.7%) | 587 (54.4%) | 163 (60.8%) | 0.068 |
| Age (years) | 66.0 (54.0–75.0) | 64.0 (52.0–73.0) | 73.0 (63.0–78.0) | < 0.001 |
| Height (cm) | 170 (163–178) | 170 (163–178) | 170 (160–176) | 0.258 |
| Weight (kg) | 75.0 (65.0–85.2) | 75.0 (65.0–85.5) | 76.0 (64.0–85.0) | 0.835 |
| BMI (kg/m2) | 25.1 (22.6–28.7) | 25.1 (22.7–28.4) | 25.5 (22.5–29.3) | 0.694 |
| Physiology | ||||
| SAPS-II Score | 43.0 (34.0–54.0) | 40.0 (33.0–50.0) | 56.0 (45.0–66.0) | < 0.001 |
| Mannheimer Peritonitis Index (MPI) | 21.0 (14.0–28.0) | 19.0 (12.2–26.0) | 26.0 (16.0–32.2) | < 0.001 |
| Number of lavages | 0.727 | |||
| 1 | 709 (52.5%) | 576 (53.2%) | 133 (49.4%) | |
| 2 | 270 (20.0%) | 209 (19.3%) | 61 (22.7%) | |
| 3 | 142 (10.5%) | 111 (10.3%) | 31 (11.5%) | |
| 4 | 85 (6.29%) | 71 (6.56%) | 14 (5.20%) | |
| 5 | 38 (2.81%) | 30 (2.77%) | 8 (2.97%) | |
| > 5 | 107 (7.92%) | 85 (7.86%) | 22 (8.18%) | |
| Days in ICU | 10.0 (4.00–21.0) | 9.00 (4.00–20.0) | 13.0 (3.00–24.0) | 0.019 |
| Hours of ventilation | 157 (64.0–402) | 140 (63.0–352) | 306 (74.0–538) | < 0.001 |
| Hours of hemofiltration | 154 (63.5–306) | 164 (96.2–296) | 133 (30.0–316) | 0.057 |
| Surgery | ||||
| Index operation | 0.768 | |||
| Median laparotomy | 146 (24.7%) | 104 (23.9%) | 42 (26.8%) | |
| Transverse laparotomy | 374 (63.2%) | 277 (63.7%) | 97 (61.8%) | |
| Others | 72 (12.2%) | 54 (12.4%) | 18 (11.5%) | |
| Open abdomen treatment | 0.906 | |||
| Median | 158 (26.8%) | 117 (27.0%) | 41 (26.5%) | |
| Transverse | 416 (70.6%) | 305 (70.3%) | 111 (71.6%) | |
| Others | 15 (2.55%) | 12 (2.76%) | 3 (1.94%) | |
| Fascia closure | < 0.001 | |||
| No | 55 (9.20%) | 4 (0.91%) | 51 (31.9%) | |
| Yes | 543 (90.8%) | 434 (99.1%) | 109 (68.1%) | |
| Skin closure | < 0.001 | |||
| No | 57 (9.53%) | 6 (1.37%) | 51 (31.9%) | |
| Yes | 541 (90.5%) | 432 (98.6%) | 109 (68.1%) | |
| Wound healing disorder | 0.002 | |||
| No | 455 (76.0%) | 318 (72.6%) | 137 (85.1%) | |
| Yes | 144 (24.0%) | 120 (27.4%) | 24 (14.9%) | |
| Fascia complication | 0.861 | |||
| No | 558 (93.2%) | 409 (93.4%) | 149 (92.5%) | |
| Yes | 41 (6.84%) | 29 (6.62%) | 12 (7.45%) | |
| Vacuum treatment | 0.374 | |||
| No | 553 (92.5%) | 402 (91.8%) | 151 (94.4%) | |
| Yes | 45 (7.53%) | 36 (8.22%) | 9 (5.62%) |