Table 2.

Gender-specific annual incidence (per 100,000 persons) of type 1 diabetes mellitus according to age group among Korean children

Variable	Year	Girls				Boys				Total
		0–4 years	5–9 years	10–14 years	0–14 years	0–4 years	5–9 years	10–14 years	0–14 years	0–4 years	5–9 years	10–14 years	0–14 years
No. of cases	2008	16	48	117	181	13	25	101	139	29	73	218	320
	2009	21	60	102	183	17	45	101	163	38	105	203	346
	2010	23	60	117	200	20	37	98	155	43	97	215	355
	2011	22	59	142	223	21	48	103	172	43	107	245	395
	2012	16	50	109	175	19	35	101	155	35	85	210	330
	2013	27	46	112	185	16	39	106	161	43	85	218	346
	2014	35	49	111	195	22	35	106	163	57	84	217	358
	2015	26	42	85	153	23	34	101	158	49	76	186	311
	2016	15	56	86	157	20	45	111	176	35	101	197	333
Incidence	2008	1.44	3.49	7.17	4.39	1.09	1.66	5.53	3.07	1.26	2.53	6.30	3.70
	2009	1.91	4.59	6.37	4.56	1.45	3.16	5.69	3.73	1.67	3.84	6.02	4.13
	2010	2.08	4.89	7.47	5.13	1.70	2.78	5.69	3.66	1.88	3.79	6.53	4.37
	2011	1.96	5.12	9.31	5.87	1.76	3.85	6.18	4.19	1.86	4.46	7.68	5.00
	2012	1.42	4.43	7.50	4.72	1.59	2.88	6.37	3.88	1.51	3.62	6.91	4.28
	2013	2.41	4.08	8.14	5.10	1.35	3.23	7.06	4.13	1.86	3.64	7.58	4.60
	2014	3.13	4.39	8.49	5.51	1.86	2.94	7.44	4.29	2.48	3.64	7.94	4.88
	2015	2.34	3.75	6.93	4.43	1.97	2.85	7.59	4.28	2.15	3.28	7.27	4.35
	2016	1.38	4.92	7.46	4.64	1.75	3.72	8.90	4.89	1.57	4.30	8.21	4.77
Cochran–Armitage test for trend		0.263	0.722	0.408	0.724	0.153	0.040	<0.001	<0.001	0.072	0.103	<0.001	0.002