Table 3.

Age of diagnosis of type 1 diabetes patients in/from the Western Pacific region (excluding publications with all data before 2000)

Ref.	Country/territory	n	Mean ± SD/median (IQR) age of diagnosis (yr)	Age range (yr)	Peak age of diagnosis (yr)
Gong et al[28], 2015	Beijing, China	485	NS	< 15	10-14
Huo et al[155], 2018	Beijing, China and Shantou, China	515	11 (7-14)	< 21	10-14
Weng et al[156], 2018	China (13 areas)1	1239	NS	< 15	10-14
Huen et al[154], 2009	Hong Kong, China	335 (< 19); 293 (< 15)	NS	< 19	10-14
Tung et al[22], 2018	Hong Kong, China	498	10.5 (± 4.2)	< 18	NS
Onda et al[19], 2017	Japan	2326	NS	< 15	13 (boys); 10 (girls)
Lee et al[157], 2006	Singapore	211	7.9 (± 4.0)	< 17	NS
Kim et al[21], 2012	South Korea	110	10.6 (± 0.9)	< 18	NS
Kim and Kim[158], 2012	South Korea	113	9.26 (± 0.99)	< 18	NS
Hong et al[149], 2013	South Korea	239	NS	< 15	10-14
Lee et al[141], 2014	South Korea	217	NS	< 15	10-14
Kim et al[159], 2016	South Korea	706	NS	< 15	10-14
Lee et al[160], 2017	South Korea	361	8.9 (± 4.0)	< 20	NS
Lo et al[46], 2004	Taiwan, China	165	7.3 (± 4.1)	< 18	NS
Ting et al[61], 2007	Taiwan, China	304	7.9 (± 3.8)	< 20	NS
Panamonta et al[161], 2000	Thailand	77	NS	< 15	10-14
Likitmaskul et al[79], 2006	Thailand	195	9.2 (± 2.5)	< 19	NS
Patarakijvanich et al[17], 2008	Thailand	116	NS	< 15	11-14
Panamonta et al[16], 2011	Thailand	340	NS	< 15	10-14
Khwanhatai et al[162], 2018	Thailand	229	7.71 (± 3.3)	< 18	NS

¹Harbin, Shenyang, Beijing, Shanghai, Nanjing, Jinan, Wuhan, Changsha, Guangzhou, Chengdu, Xi’an, Lanzhou and Yinchuan.

NS: Not stated.