Low serum vitamin-D status is associated with high prevalence and early onset of type-1 diabetes mellitus in Kuwaiti children

Table 1 Characteristics of Kuwaiti T1DM patients (n = 216) and controls (n = 204)

	T1DM patients	Controls	p-value	OR^a	CI^b
Gender
Males	104	106	0.49	0.86	0.585–1.259
Females	112	98	0.49	1.165	0.794–1.709
Age at onset of T1DM (No. of subjects)
< 4 y	42/215 (20 %)
4–6 y	61/215 (28 %)
> 6 y	112/215 (52 %)
Family history in T1DM patients^c
Having an affected sibling	32/179 (18 %)
Parents consanguineous	74/206 (36 %)
Grandparents consanguinity	75/196 (38 %)

^aOR odds ratio; ^bCI 95 % confidence interval; ^cThis information was not available for some of the cases

ISSN: 1471-2431