Table 2.
Preoperative characteristics of patients that underwent complex abdominal wall surgery
| Total | I (no risk factors) | II (prehabilitated patients) | p | ||
|---|---|---|---|---|---|
| n | 259 | 133 | 126 | ||
| Hernia factors | |||||
| Width < 10 cm (n,%) | 137 (53) | 77 (58) | 60 (48) | 0.254 | |
| Width 10–20 cm (n,%) | 109 (42) | 50 (38) | 59 (47) | ||
| Width > 20 cm (n,%) | 13 (5) | 6 (5) | 7 (6) | ||
| Recurrent hernia (n,%) | 79 (31) | 38 (29) | 41 (33) | 0.488 | |
| Patient factors | |||||
| Age (median, IQR) | 128 (54–68) | 63 (54–68) | 65 (57–72) | 0.052 | |
| Smoking (n,%) | 37 (14) | 5 (4) | 32 (25) | < 0.001 | |
| BMI (median, IQR) | 58 (25–29.5) | 28 (25–29.5) | 30 (27–33) | < 0.001 | |
| BMI > 30 (n,%) | 87 (34) | 22 (17) | 65 (52) | < 0.001 | |
| BMI > 35 (n,%) | 17 (7) | 3 (34) | 14 (11) | 0.004 | |
| Diabetes (n,%) | 29 (11) | 10 (8) | 19 (15) | 0.054 | |
| HbA1c (median, IQR) | 89 (34–54) | 41 (34–54) | 48 (42–57) | 0.014 | |
| HbA1c > 65 (n,%) | 3 (34) | 0 (0) | 3 (34) | 0.094 | |
| Immunosuppressives (n,%) | 14 (5) | 4 (3) | 10 (8) | 0.079 | |
| COPD (II-IV) (n,%) | 42 (16) | 17 (13) | 25 (20) | 0.123 | |
| Pulmonary preparation (n,%) | 62 (24) | 24 (18) | 38 (30) | 0.022 | |
| MET score (median, IQR) | 13 (6–8) | 7 (6–8) | 6 (5–7) | 0.004 | |
| MET score < 4 (n,%) | 20 (8) | 8 (6) | 12 (10) | 0.290 | |
| cP 0 (n,%) | 179 (69) | 114 (86) | 65 (52) | < 0.001 | |
| cP 1 (n,%) | 80 (31) | 19 (14) | 61 (48) | ||
| Wound factors | |||||
| cW 0 (n,%) | 212 (82) | 111 (83) | 101 (80) | 0.491 | |
| cW 1 (n,%) | 47 (18) | 22 (17) | 25 (20) | ||
| Previous wound infection (n,%) | 94 (36) | 44 (33) | 50 (40) | 0.270 | |
| HPW Classification | |||||
| HPW 1 (n,%) | 80 (31) | 54 (41) | 26 (21) | 0.003 | |
| HPW 2 (n,%) | 129 (50) | 54 (41) | 75 (60) | ||
| HPW 3 (n,%) | 42 (16) | 22 (17) | 20 (16) | ||
| HPW 4 (n,%) | 8 (3) | 3 (34) | 5 (4) | ||
BMI body mass index (kg/m2), COPD chronic obstructive pulmonary disease, MET metabolic equivalents, cW 1 contaminated field, HPW hernia, patient, wound
cP1: at least one patient risk factor present (BMI > 35, active smoker, use of immunosuppressives, diabetes)
cW1: CDC2-4 wound classifications (clean-contaminated, dirty-contaminated or dirty surgical field)
Statistically significant values are shown in bold