Table 3.

Disease severity and clinical outcomes of acute respiratory infections among cases and controls according to vitamin D status

Variable	Category	Cases (n=200)	Controls (n=200)
Disease severity	Mild	63 (31.5%)	145 (72.5%)
	Moderate	84 (42.0%)	44 (22.0%)
	Severe	53 (26.5%)	11 (5.5%)
Fever	Yes	122 (61.0%)	64 (32.0%)
	No	61 (39.0%)	136 (68.0%)
Oxygen therapy	Yes	139 (69.5%)	42 (21.0%)
	No	61 (30.5%)	158 (79.0%)