Table 1.

Baseline characteristics of pediatric patients according to vitamin D status

Variable	Cases (n=200)	Controls (n=200)
Age (years)	5.79±4.73	4.43±4.37
Sex (% female)	41.0%	48.5%
Residence (% urban)	32.5%	33.5%
Hospital length of stay (days)	4.68±2.59	2.89±1.81
Vitamin D (ng/mL)	21.62±5.56	47.60±19.59
CRP (mg/L)	3.50±3.02	1.64±1.59
Clinical severity score	3.77±2.29	1.62±1.89
Hemoglobin (g/dL)	11.45±1.78	12.42±1.26

Legend: CRP=C-reactive protein