Table 2 Intra-operative and post-operative characteristics of the study groups
Variable | General (N = 83) | NPWT (N = 65) | mBVT (N = 18) | P-value (NPWT vs mBVT) |
|---|---|---|---|---|
Number of changing dressing (n), mean (±SD) | 3.3 (±1.9) | 3.3 (±1.9) | 3.9 (±2.6) | 0.22 |
MPI, mean (±SD) | 21.9 (±13.7) | 24.4 (±12.2) | 28.2 (±9.4) | 0.22 |
- <21, n (%) | 17 (20.4) | 16 (24.6) | 1 (5.6) | |
- 21–29, n (%) | 33 (39.8) | 24 (36.9) | 9 (50) | 0.19 |
- >29, n (%) | 33 (39.8) | 25 (38.5) | 8 (44.4) | |
Bjork at first laparotomy, n (%) | ||||
- 1a | 8 (9.6) | 7 (10.8) | 1 (5.6) | |
- 1b | 23 (27.7) | 19 (29.2) | 4 (22.2) | |
- 1c | 11 (13.3) | 8 (12.3) | 3 (16.7) | 0.25 |
- 2a | 3 (3.6) | 1 (1.5) | 2 (11.1) | |
- 2b | 15 (18.1) | 13 (20) | 2 (11.1) | |
- 2c | 21 (25.3) | 16 (24.6) | 5 (27.8) | |
- 3a | 1 (1.2) | 0 (0) | 1 (5.6) | |
- 3b | 1 (1.2) | 1 (1.5) | 0 (0) | |
Bjork at closure, n (%)a | ||||
- 1a | 53 (68.8) | 40 (65.6) | 13 (81.3) | |
- 1b | 1 (1.3) | 1 (1.6) | 0 (0) | |
- 2a | 19 (24.7) | 17 (27.9) | 2 (12.5) | 0. 48 |
- 2b | 2 (2.6) | 2 (3.3) | 0 (0) | |
- 4 | 2 (2.6) | 1 (1.6) | 1 (5.6) | |
Hospital stay (days), mean (±SD)a | ||||
- ICU | 22.2 (±18.4) | 24.4 (±18.6) | 26.9 (±20.7) | 0.64 |
- total | 44.3 (±32.5) | 47.2 (±31.4) | 60.4 (±33.2) | 0.14 |