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Fig. 4 | BMC Surgery

Fig. 4

From: Inguinal hernia repair in inpatient children: a nationwide analysis of German administrative data

Fig. 4

Rates of inguinal herniotomies per 100,000 persons per year. A Rates of inguinal herniotomies per 100,000 males per year decreased for all age groups [< 1: 42 (95% confidence interval: 49–36, P < 0.0001); 1–4: 8 (95% confidence interval: 9–7, P < 0.0001); 5–9: 2 (95% confidence interval: 2.5–1.5, P < 0.0001); 10–14: 1 (95% confidence interval: 1.4–0.5; P = 0.0005)]. B Rates of inguinal herniotomies per 100,000 females per year decreased for all age groups [< 1: 17 (95% confidence interval: 19–14, P < 0.0001); 1–4: 1.4 (95% confidence interval: 1.7–1.1, P < 0.0001); 5–9: 0.4 (95% confidence interval: 0.6–0.2, P < 0.0006); 10–14: 0.4 (95% confidence interval: 0.5–0.3, P < 0.0001)]. All analyses were conducted using ordinary least square regression except for the age group between 10 and 14 years of age of both sexes

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