Table 3. Analysis of incidence and trend of cases of hospitalizations for exogenous poisoning in children and adolescents according to sex and age group in the period 2007-2015 in Arapiraca, Alagoas, Brazil.

Descriptive analysis		Rates		Trend analysis				Trend
	n (%)	2007	2015	Period	APC	95%CI	p-value	Trend
Sex
Both	5,539	56.52	56.64	2007–2015	12.7%*	1.1–25.6	<0.001	Increasing
Both	(100)	56.52	56.64	2007–2015	12.7%*	1.1–25.6	<0.001	Increasing
Boys	2,595	55.69	50.99	2007–2015	13.20%	-0.2–28.4	0.100	Stationary
Boys	(46.8)	55.69	50.99	2007–2015	13.20%	-0.2–28.4	0.100	Stationary
Girls	2,944	57.34	62.27	2007–2015	12.2%*	1.9–23.6	<0.001	Increasing
Girls	(53.2)	57.34	62.27	2007–2015	12.2%*	1.9–23.6	<0.001	Increasing
Age group
0 to 4	2,419	98.13	109.89	2007–2015	16.0%*	1.8–32.3	<0.001	Increasing
0 to 4	(43.7)	98.13	109.89	2007–2015	16.0%*	1.8–32.3	<0.001	Increasing
5 to 9	986	54.11	33	2007–2015	9.00%	-5.2–25.5	0.200	Stationary
5 to 9	(17.8)	54.11	33	2007–2015	9.00%	-5.2–25.5	0.200	Stationary
10 to 14	847	33.49	28.4812	2007–2015	10.2%*	0.1–21.3	<0.001	Increasing
10 to 14	(15.3)	33.49	28.4812	2007–2015	10.2%*	0.1–21.3	<0.001	Increasing
15 to 19	1,287	39.4	57.99	2007–2013	21.5%*	12.9–30.7	<0.001	Increasing
	(23.2)			2013–2015	-19.40%	-51.5–33.9	0.300	Stationary
	(23.2)			2007–2015	9.60%	0.6–20.9	0.100	Stationary

*Statistical significance (p<0.05); APC: annual percent change; 95%CI: 95% confidence interval.