. Author manuscript; available in PMC: 2021 Jul 1.

Published in final edited form as: J Pediatr. 2020 May 14;222:98–105.e3. doi: 10.1016/j.jpeds.2020.03.055

Table 7:

Effect of Serum Ferritin Quartile on ROP

Covariate	Odds ratio (95% CI)	P-value
2 Median Serum Ferritin Quartiles (vs. Lowest Quartile)	0.869 (0.484, 1.559)	0.637
Highest Serum Ferritin Quartile (vs. Lowest Quartile)	0.982 (0.559, 1.726)	0.95
Male Sex (vs. Female)	1.178 (0.804, 1.727)	0.401
GA (wk)	0.702 (0.618, 0.798)	<0.001
Birth Weight (g)	0.995 (0.992, 0.998)	<0.001
Growth Rate (g/day)	0.926 (0.83, 1.033)	0.169
Total iron intake (mg)	0.999 (0.998, 1.001)	0.288