Table 1 Univariate analysis
Parameters | Total (N = 34) | Anastomosis (N = 24) | Hartmann’s (N = 10) | p value |
|---|---|---|---|---|
Male gender | 15 (44%) | 7 (29%) | 8 (80%) | 0.010 |
Mean age (± SD) | 66.9 (± 12.7) | 66.25 (± 11.24) | 68.60 (± 16.25) | 0.254 |
BMI (kg/m2) (± SD) | 28.42 (± 3.33) | 27.11 (± 4.09) | 30.10 (± 5.89) | 0.127 |
ASA score > II | 22 (65%) | 16 (67%) | 6 (60%) | 0.195 |
MPI (± SD) | 25.12 (± 6.28) | 23.63 (± 5.87) | 28.70 (± 6.03) | 0.034 |
Björck grade ≠ 1A at II look | 7 (21%) | 3 (13%) | 4 (40%) | 0.157 |
Hinchey’s classification: | ||||
- Grade III | 13 (38%) | 11 (46%) | 4 (40%) | 1 |
- Grade IV | 21 (62%) | 13 (54% | 6 (60%) | |
Type of OA technique adopted: negative pressure wound technique (NPWT) | 34 (100%) | 24 (100%) | 10 (100%) | 1 |
III look | 7 (21%) | 4 (16.6%) | 3 (30%) | 0.157 |
Overall morbidity rate* | 14 (41%) | 9 (37%) | 5 (50%) | 0.704 |
- Grade I | 0 | 0 | 0 | – |
- Grade II | 6 (18%) | 5 (21%) | 1 (10%) | – |
- Grade IIIa | 1 (3%) | 1 (4%) | 0 | – |
- Grade IIIb | 5 (15%) | 3 (13%) | 2 (20%) | – |
- Grade IV | 2 (6%) | 0 | 2 (20%) | – |
Cause of reintervention | ||||
- Anastomosis dehiscence | 1 (3%) | 1 (4%) | – | 1 |
- Laparotomy dehiscence | 2 (6%) | 1 (4%) | 1 (10%) | – |
Mortality rate | 4 (12%) | 1 (4%) | 3 (30%) | 0.066 |
Mean length of hospital stay (± SD) (days) | 21.9 (± 16.24) | 22.45 ± 17.74 | 20.5 ± 11.72 | 0.752 |