Table 2.
Outcomes per width category
| Primary hernia | n missing (%) | Incisional hernia | n missing (%) | p value | |
|---|---|---|---|---|---|
| Admission duration, days | |||||
| 0–2 cm | 0.0 (1.0) | 347 (10.6) | 0.0 (2.0) | 43 (9.7) | < 0.001 |
| 3–4 cm | 0.0 (2.0) | 70 (12.4) | 2.0 (4.0) | 186 (12.4) | < 0.001 |
| 5–10 cm | 2.0 (4.0) | 24 (20.7) | 5.0 (4.0) | 243 (14.4) | < 0.001 |
| > 10 cm | 0.0 (6.0) | 1 (6.3) | 7.0 (5.0) | 80 (18.3) | < 0.001 |
| Total | 0.0 (1.0) | 522 (10.5) | 3.0 (5.0) | 578 (13.8) | < 0.001 |
| Intra-operative complications | |||||
| 0–2 cm | 16 (0.5) | 194 (5.9) | 3 (0.7) | 18 (4.1) | 0.623 |
| 3–4 cm | 4 (0.7) | 32 (5.7) | 16 (1.1) | 83 (5.5) | 0.458 |
| 5–10 cm | 2 (1.7) | 7 (6.0) | 39 (2.3) | 74 (4.4) | 0.697 |
| > 10 cm | 0 (0.0) | 0 (0.0) | 26 (6.1) | 11 (2.5) | 0.309 |
| Total | 25 (0.5) | 278 (5.6) | 87 (2.2) | 210 (5.0) | < 0.001 |
| Wound complications within 30 days | |||||
| 0–2 cm | 87 (3.0) | 358 (10.9) | 12 (3.1) | 49 (11.1) | 0.943 |
| 3–4 cm | 25 (5.0) | 63 (11.1) | 73 (5.4) | 144 (9.6) | 0.726 |
| 5–10 cm | 8 (8.4) | 21 (18.1) | 142 (9.2) | 139 (8.3) | 0.799 |
| > 10 cm | 1 (6.3) | 0 (0.0) | 62 (15.3) | 32 (7.3) | 0.321 |
| Total | 131 (2.9) | 524 (10.6) | 297 (7.8) | 394 (9.4) | < 0.001 |
| Surgical complications within 30 days | |||||
| 0–2 cm | 18 (0.6) | 377 (11.5) | 4 (1.0) | 50 (11.3) | 0.364 |
| 3–4 cm | 6 (1.2) | 67 (11.8) | 33 (2.4) | 151 (10.1) | 0.099 |
| 5–10 cm | 4 (4.2) | 21 (18.1) | 77 (5.0) | 149 (8.9) | 0.725 |
| > 10 cm | 1 (6.3) | 0 (0) | 39 (9.7) | 37 (8.4) | 0.634 |
| Total | 32 (0.7) | 552 (11.1) | 167 (4.4) | 415 (9.9) | < 0.001 |
| Medical complications within 30 days | |||||
| 0–2 cm | 52 (1.8) | 345 (10.6) | 11 (2.8) | 51 (11.5) | 0.159 |
| 3–4 cm | 8 (1.6) | 62 (11.0) | 61 (4.5) | 141 (9.4) | 0.003 |
| 5–10 cm | 1 (1.0) | 18 (15.5) | 96 (6.2) | 134 (8.0) | 0.035 |
| > 10 cm | 0 (0.0) | 0 (0.0) | 53 (13.1) | 32 (7.3) | 0.122 |
| Total | 68 (1.5) | 504 (10.2) | 230 (6.0) | 387 (9.2) | < 0.001 |
| Re-interventiona | |||||
| 0–2 cm | 21 (0.7) | 407 (12.4) | 3 (0.8) | 57 (12.9) | 0.922 |
| 3–4 cm | 9 (1.8) | 74 (13.1) | 19 (1.4) | 168 (11.2) | 0.533 |
| 5–10 cm | 1 (1.1) | 23 (19.8) | 40 (2.6) | 166 (9.9) | 0.353 |
| > 10 cm | 1 (6.3) | 0 (0.0) | 32 (8.0) | 38 (8.7) | 0.800 |
| Total | 35 (0.8) | 5964 (12.0) | 99 (2.6) | 457 (10.9) | < 0.001 |
Statistically significant p values are in bold (p<0.05)
Data are mean (interquartile range) for continuous variables and n (%) for categorical variables
aRe-intervention includes both surgical and radiological re-intervention