Vitamin D Deficiency in Dengue Hemorrhagic Fever and Dengue Shock Syndrome among Sri Lankan Children: A Case-Control Study

Table 3

Models derived with multivariate logistic regression analysis of associated factors of DHF/DSS.

Model	Adjusted OR	95.0% CI for adjusted OR		value
		Lower	Upper
25(OH)D (continuous variable)	0.94	0.887	0.995	0.03
25(OH)D <20 ng/mL vs. ≥20 ng/mL	3.65	1.461	9.102	0.006
25(OH)D <30 ng/mL vs. ≥30 ng/mL	2.33	0.730	7.431	0.15

Log-likelihood ratio = 119.4, Nagelkerke R² = 0.09, chi squared (X²) = 6.6, . Log-likelihood ratio = 116.0, Nagelkerke R² = 0.14, X² = 9.9, .