Table 1 .

Multivariate logistic regression analysis of factors associated with laparoscopy use

	Odds ratio (95% CI)	p-value
All children
Female	1.84 (1.80–1.90)	<0.001
Increase in age per year	1.18 (1.18–1.19)	<0.001
Specialist paediatric surgeon	3.71 (3.60–3.82)	<0.001
Years 2013 onwards and age 5 years or more only
Female	2.11 (1.97–2.26)	<0.001
Increase in age per year	1.34 (1.33–1.36)	<0.001
Specialist paediatric surgeon	6.62 (6.07–7.22)	<0.001