Table 1 Patients’ characteristics stratified according to clinical outcome (survived versus died) [5]. Data availability is indicated for each variable
Complete Case Analysis | All patients | Survived | Died | p |
|---|---|---|---|---|
N = 539 (100%) | N = 395 (73.3%) | N = 144 (26.7%) | ||
Demographics | ||||
Sex (female) | 221 (41.0%) | 161 (40.8%) | 60 (41.7%) | 0.93 |
Age (years) | 70.0 [59.0;76.0] | 67.0 [56.0;75.0] | 73.0 [66.0;79.0] | < 0.001 |
BMI (kg.m− 2) | 25.3 [22.9;28.8] | 25.1 [22.8;28.2] | 25.9 [23.0;29.4] | 0.30 |
Physiology | ||||
SAPS-II Score | 46.0 [37.0;57.0] | 42.0 [34.5;52.0] | 56.5 [47.0;68.5] | < 0.001 |
Mannheimer Peritonitis-Index (MPI) | 21.0 [14.0;28.5] | 20.0 [13.0;26.0] | 27.0 [16.0;33.0] | < 0.001 |
Duration of ventilation (hours) | 144 [58.5;414] | 138 [60.0;359] | 223 [54.8;502] | 0.031 |
Days in ICU | 10.0 [3.00;21.0] | 10.0 [4.00;20.5] | 11.0 [2.00;22.2] | 0.97 |
Surgery | ||||
Number of lavages: | 0.25 | |||
1 | 321 (59.6%) | 245 (62.0%) | 76 (52.8%) | |
2 | 125 (23.2%) | 83 (21.0%) | 42 (29.2%) | |
3 | 47 (8.72%) | 36 (9.11%) | 11 (7.64%) | |
4 | 21 (3.90%) | 15 (3.80%) | 6 (4.17%) | |
5 | 12 (2.23%) | 7 (1.77%) | 5 (3.47%) | |
>5 | 13 (2.41%) | 9 (2.28%) | 4 (2.78%) | |
Wound healing disorder (Yes) | 131 (24.3%) | 110 (27.8%) | 21 (14.6%) | 0.002 |
Fascia complication (Yes) | 36 (6.68%) | 27 (6.84%) | 9 (6.25%) | 0.96 |
Index operation: | 0.75 | |||
Median | 131 (24.3%) | 93 (23.5%) | 38 (26.4%) | |
Transverse | 342 (63.5%) | 252 (63.8%) | 90 (62.5%) | |
Other | 66 (12.2%) | 50 (12.7%) | 16 (11.1%) | |
Open abdomen treatment: | 0.92 | |||
Median | 142 (26.3%) | 105 (26.6%) | 37 (25.7%) | |
Transverse | 383 (71.1%) | 279 (70.6%) | 104 (72.2%) | |
Other | 14 (2.60%) | 11 (2.78%) | 3 (2.08%) | |
Fascia closure (Yes) | 487 (90.4%) | 391 (99.0%) | 96 (66.7%) | < 0.001 |
Skin closure (Yes) | 485 (90.0%) | 389 (98.5%) | 96 (66.7%) | < 0.001 |
Vacuum treatment (Yes) | 42 (7.79%) | 33 (8.35%) | 9 (6.25%) | 0.53 |