Table 4.
Severity of post herniorrhaphy groin pain (PHGP) at 3 and 6 months
| Variable | Group A | Group B | Standardized test statistic | P value |
|---|---|---|---|---|
| PHGP (3 mo)a | ||||
| No (n = 38) | 19 (54.3) | 19 (54.3) | > 0.999 | |
| Yes (n = 32) | 16 (45.7) | 16 (45.7) | ||
| PHGP (6 mo)a | ||||
| No (n = 64) | 32 (91.4) | 30 (85.7) | 0.710 | |
| Yes (n = 8) | 3 (8.6) | 5 (14.3) | ||
| NRS score (3 mo)b | 0 (0–3) | 0 (0–3) | –0.109c | 0.913 |
| NRS score (6 mo)b | 0 (0–0) | 0 (0–0) | 0.681c | 0.496 |
| DN4 score (3 mo)b | 1 (0–5) | 3 (1–4) | 1.333c | 0.183 |
| DN4 score (6 mo)b | 1 (0–3) | 2 (1–2) | 1.339c | 0.181 |
| Pain intensity (3 mo)a | ||||
| Mild | 12 (75.0) | 11 (68.75) | 0.694 | |
| Moderate | 4 (25.0) | 5 (31.25) | ||
| Pain intensity (6 mo)a | ||||
| Mild | 3 (100) | 5 (100) | ||
| Moderate | 0 | 0 |
Data are given as number (%) or median (interquartile range).
Group A: ilioinguinal iliohypogastric nerve block with ropivacaine, Group B: ilioinguinal iliohypogastric nerve block with normal saline, NRS: numerical rating scale, DN4: Douleur neuropathique 4 questions.
aChi-square test. bMann–Whitney U-test. cRetain the null hypothesis. P < 0.05 is considered statistically significant.