Table 3.
Results of the long-term follow-up after primary ventral hernia repair by using different surgical techniques
| Parameters | Unmatched | PSM0 cohort | ||||||
|---|---|---|---|---|---|---|---|---|
| Open without mesh (n=225) | Open with mesh (n=248) | IPOM (n=181) | p value | Open without mesh (n=124) | Open with mesh (n=124) | IPOM (n=124) | p value | |
| Recurrence, n (%) | 41 (18.2%) | 13 (5.2%) | 25 (13.8%) | <0.01*, † | 18 (14.5%) | 5 (4%) | 14 (11.3%) | 0.02 * |
| Recurrence at 6 months, n | 15 | 6 | 8 | 0.2 | 8 | 1 | 9 | 0.03 *, † |
| Recurrence at 2 years, n | 16 | 5 | 10 | 0.04 * | 9 | 4 | 3 | 0.11 |
| Recurrence at 5 years, n | 10 | 2 | 7 | 0.01 * | 1 | 0 | 2 | 0.32 |
| Pain score (6 months), mean (SD) ¶ | 0.48 (1.08) | 0.7 (1.43) | 0.78 (1.7) | 0.2 | 0.52 (1.19) | 0.73 (1.58) | 0.73 (1.47) | 0.55 |
| Pain score (2 years), mean (SD) ¶ | 0.49 (1.1) | 0.49 (1.1) | 0.59 (1.2) | 0.69 | 0.55 (1.22) | 0.62 (1.22) | 0.42 (0.99) | 0.07 |
| Pain score (5 years), mean (SD) ¶ | 0.37 (0.96) | 0.39 (0.96) | 0.54 (1.3) | 0.33 | 0.31 (0.9) | 0.35 (0.63) | 0.21 (0.6) | 0.1 |
| Functional score (6 months), mean (SD) ¶ | 14.5 (1.8) | 14.4 (1.9) | 14.4 (1.6) | 0.79 | 14.7 (0.9) | 14.7 (0.8) | 14.5 (0.97) | 0.25 |
| Functional score (2 years), mean (SD) ¶ | 14.4 (2.1) | 14.7 (0.8) | 14.1 (2.5) | 0.02 † | 14.6 (0.91) | 14.7 (0.76) | 14.8 (0.59) | 0.08 |
| Functional score (5 years), mean (SD) ¶ | 14.5 (1.9) | 14.6 (1.6) | 14.3 (1.7) | 0.44 | 14.8 (0.55) | 14.9 (0.52) | 14.8 (0.62) | 0.64 |
*p < 0.05 between “open mesh +” and “open mesh—“; †p < 0.05 between “laparoscopic” and “open mesh + “; ¶Incomplete data; 0Propensity score matched