Table 5.

Multivariate logistic regression analysis adjusted for sex and age

	Odd ratio	Lower 95% CI	Upper 95% CI	P-value
Serum iron < 22 μg/dL	3.42	1.31	8.90	0.01
Total iron binding capacity (μg/dL)	0.27	0.02	2.45	0.24
Ferritin < 30 ng/mL	6.18	2.32	16.42	< 0.01
Transferrin saturation < 16%	4.02	0.40	40.65	0.24