Table II.
Comparison of the groups in terms of clinical characteristics and results
| Parameter | A (n = 103) Mean ± SD | B (n = 98) Mean ± SD | C (n = 98) Mean ± SD | P-value |
|---|---|---|---|---|
| Age | 40.61 ±14.44 | 41.71 ±13.55 | 41.48 ±13.17 | 0.835a |
| BMI | 25.14 ±3.67 | 25.53 ±4.02 | 25.68 ±3.65 | 0.573a |
| Operative time | 54.35 ±26.76 | 64.73 ±27.18 | 69.33 ±29.18 | 0.001a,** |
| VAS‡ | 3 (2, 4) | 4 (3, 4) | 4 (3, 5) | < 0.001b,** |
| Length of stay‡ [days] | 1 (1, 2) | 1 (1, 2) | 1 (1, 2) | 0.259b |
| Follow-up time [months] | 24.78 ±1.91 | 18.55 ±2.00 | 10.60 ±2.40 | < 0.001a,** |
| Parameter | n (%) | n (%) | n (%) | P-value |
| Sex: | 0.975c | |||
| Female | 27 (26.2) | 26 (26.5) | 27 (27.6) | |
| Male | 76 (73.8) | 72 (73.5) | 71 (72.4) | |
| Hernia type: | 0.549d | |||
| Medial | 12 (11.7) | 8 (8.2) | 14 (14.3) | |
| Femoral | 1 (1) | 1 (1) | 4 (4.1) | |
| Lateral | 86 (83.5) | 84 (85.7) | 77 (78.6) | |
| Combined | 4 (3.9) | 5 (5.1) | 3 (3.1) | |
| ASA: | 0.158d | |||
| I | 85 (82.5) | 85 (86.7) | 83 (84.7) | |
| II | 18 (17.5) | 12 (12.2) | 11 (11.2) | |
| III | 0 (0) | 1 (1.0) | 4 (4.1) | |
| Conversion to open | 5 (4.9) | 5 (5.1) | 3 (3.1) | 0.829d |
| Conversion to TAPP | 2 (1.9) | 3 (3.1) | 3 (3.1) | 0.826d |
| Intraoperative complication | 8 (7.7) | 6 (6.1) | 5 (5.1) | 0.913d |
| Postoperative haematoma | 3 (2.9) | 4 (4.1) | 4 (4.1) | 0.868d |
| Postoperative seroma | 6 (5.8) | 8 (8.2) | 5 (5.1) | 0.655c |
| Chronic pain | 2 (1.9) | 2 (2) | 2 (2) | 0.999d |
| Early recurrence | 0 (0) | 3 (3.1) | 2 (2) | 0.205d |
| Late recurrence | 5 (4.9) | 4 (4.1) | 4 (4.1) | 0.999d |
a
One-way analysis of variance
b
Kruskal-Wallis test
c
Pearson’s χ2 test
d
Fisher-Freeman-Halton exact test.
‡
Results represented as median (interquartile range).
**
p < 0.01.