Fig. 5
From: Inguinal hernia repair in inpatient children: a nationwide analysis of German administrative data
Inguinal hernia repairs performed by paediatric surgeons. A Percentages of inguinal hernia repair in males conducted in paediatric surgical departments increased by 1.6% (95% confidence interval: 1.3–1.9, P < 0.0001) per year. B Percentages of inguinal hernia repairs in females by paediatric surgeons increased by 1.5% (95% confidence interval: 1.1–1.8, P < 0.0001). Both analyses were conducted using ordinary least square regression