Table 1.

Baseline data of patients, Wilcoxon Rank Sum test and Chi Square test.

N = 167	OND (n = 74)	ASD (n = 93)	p
	Median (IQR) or n (%)	Median (IQR) or n (%)
Male sex	46 (62.2%)	71 (76.3%)	0.0691
Age (years)	11.0 (6.0)	7.0 (5.0)	0.0001
Ferritin (ng/mL)	28.5 (21.0)	22.0 (18.0)	0.0249
Iron (ug/dL)	71.0 (34.0)	75.0 (51.0)	0.3345
Transferrin (mg/dL)	278.5 (60.0)	286.0 (60.0)	0.2540
Hb (g/dL)	13.4 (1.3)	12.9 (1.2)	0.0361
MCV (fL)	79.8 (4.2)	79.8 (6.9)	0.7339
HCT (%)	39.4 (4.5)	38.1 (3.6)	0.0687