Table 1.

Demographic and clinical characteristics of patients and controls

Characteristics	Patients (n = 168) (%)	Controls (n = 168) (%)	P
Female (%)	131 (78)	127 (75.6)	0.880
Age*	33.6 ± 7.69	34.43 ± 7.31	0.620
Serum Vitamin D*	19.16 ± 17.37	25.39 ± 19.67	0.002*
Vitamin D status
Deficiency	80 (47.62)	49 (29.17)	0.002*
Insufficiency	53 (31.55)	68 (40.48)
Normal	35 (20.83)	51 (30.35)

P is two-sided significant;

^*Numbers are provided as mean ± standard deviation