From: Inguinal hernia repair in inpatient children: a nationwide analysis of German administrative data
Type of hernia | Sex | Age group | Mean (95% CI) | Omnibus test | Groupwise comparison |
---|---|---|---|---|---|
Unilateral hernia | M |  < 1 | 3264 (3140–3403) | Χ2 = 45.192 df = 3 P < 0.0001 | For all comparisons P < 0.0001 |
1–4 | 1307 (1176–1453) | ||||
5–9 | 609 (546–689) | ||||
10–14 | 273 (72–315) | ||||
F |  < 1 | 635 (593–681) | Χ2 = 43.899 df = 3 P < 0.0001 | 1–4 vs. 5–9: P = 0.0007 Other comparisons P < 0.0001 | |
1–4 | 302 (271–341) | ||||
5–9 | 218 (199–241) | ||||
10–14 | 89 (72–113) | ||||
Incarcerated unilateral hernia | M |  < 1 | 706 (659–760) | Χ2 = 45.021 df = 3 P < 0.0001 | For all comparisons P < 0.0001 |
1–4 | 268 (241–297) | ||||
5–9 | 57 (51–65) | ||||
10–14 | 28 (25–32) | ||||
F |  < 1 | 293 (261–326) | Χ2 = 44.421 df = 3 P < 0.0001 | For all comparisons P < 0.0001 | |
1–4 | 47 (42–51) | ||||
5–9 | 11 (9–12) | ||||
10–14 | 5 (4–6) | ||||
Bilateral hernia | M |  < 1 | 697 (670–725) | Χ2 = 45.216 df = 3 P < 0.0001 | For all comparisons P < 0.0001 |
1–4 | 121 (110–133) | ||||
5–9 | 39 (35–44) | ||||
10–14 | 11 (8–13) | ||||
F |  < 1 | 163 (153–173) | Χ2 = 42.799 df = 3 P < 0.0001 | 1–4 vs. 5–9: P = 0.082 Other comparisons P < 0.0001 | |
1–4 | 54 (51–59) | ||||
5–9 | 47 (42–52) | ||||
10–14 | 11 (9–14) | ||||
Incarcerated bilateral hernia | M |  < 1 | 54 (49–58) | Χ2 = 41.787 df = 3 P < 0.0001 | 5–9 vs. 10–14: P = 0.17 Other comparisons P < 0.0001 |
1–4 | 5.4 (4.6–6.2) | ||||
5–9 | 1.3 (0.6–2.1) | ||||
10–14 | 0.6 (0.2–1) | ||||
F |  < 1 | 29 (26–32) | Χ2 = 40.94 df = 3 P < 0.0001 | 1–4 vs. 5–9: P = 0.0006 5–9 vs. 10–14: P = 0.0017 Other comparisons P < 0.0001 | |
1–4 | 3 (2–4) | ||||
5–9 | 1.2 (0.6–1.8) | ||||
10–14 | 0.3 (0–0.7) |