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. 2024 Oct 1;37(4):332–342. doi: 10.3344/kjp.24172

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.