. 2015 May 7;10(5):e0126363. doi: 10.1371/journal.pone.0126363

Table 1. Clinical characteristic of participants.

	Sample size (case/control)	Type 2 diabetes	Controls	p value
n		4,280	2,692
Sex (M:F)		2,645:1,635	1,526:1,166	< 0.0001 ^b
Age (year) ^a	4,280/2,692	63.0 ± 11.4	50.6 ± 16.2	< 0.0001 ^b
BMI (kg/m²) ^a	4,280/2,692	24.3 ± 4.1	22.8 ± 3.2	< 0.0001 ^b
HbA1c (%) ^a	3,169/571	7.9 ± 2.7	5.3 ± 0.7	< 0.0001 ^c
FPG (mmol/L) ^a	1,930/1,139	8.3 ± 2.9	5.3 ± 0.6	< 0.0001 ^c
Duration of diabetes (year) ^a	2,891/-	13.7 ± 9.7	-

^a Data are mean ± standard deviation.

^b Student’s unpaired t-test

^c Mann-Whitney U test

BMI: body mass index, HbA1c: Glycated hemoglobin, FPG: fasting plasma glucose