Table 2 Surgical characteristics
Conventional dressing N = 49 (%) | PICO◊ dressing N = 47 (%) | Total N = 96 (%) | P value | |
|---|---|---|---|---|
Diagnosis | 0.510a | |||
Benign obstruction | 6 (12.2) | 8 (17.0) | 14 (14.6) | |
Benign perforation | 16 (32.7) | 12(25.5) | 28 (29.2) | |
Malignant obstruction | 18 (26.7) | 17 (36.2) | 35 (36.5) | |
Malignant perforation | 4 (8.2) | 1 (2.1) | 5 (5.2) | |
Ischemia | 2 (4.1) | 5 (10.6) | 7 (7.3) | |
Trauma | 1 (2.0) | 3 (6.4) | 4 (4.2) | |
Bleeding | 2 (4.1) | 1 (2.1) | 3 (3.1) | |
CDC wound classification | 0.091a | |||
Clean | 1 (2.0) | 6 (12.8) | 7 (7.3) | |
Clean contaminated | 25 (51.0) | 26 (55.3) | 51 (53.1) | |
Contaminated | 4 (8.2) | 5 (10.6) | 9 (9.4) | |
Dirty | 19 (37.5) | 10 (21.3) | 29 (30.2) | |
Level of surgeon’s training | 0.771b | |||
Consultant/general surgeons | 43 (87.8) | 40 (85.1) | 83 (86.5) | |
General surgical trainees | 6 (12.2) | 7 (14.9) | 13 (13.5) | |
Duration of surgery (minutes) | ||||
Median (IQR) | 167 (75) | 170 (128) | 0.838c | |
Duration on antibiotics (days) | ||||
Median (IQR) | 9 (8) | 7 (9) | 0.680c | |
Wound length (in cm) | ||||
Mean ± SD | 19 ± 3.4 | 19 ± 3.7 | 0.314d |