Incidence of Retinopathy of Prematurity in Extremely Premature Infants

Table 1

Baseline characteristics of the study population.

Group	𝑛	Gender (M/F)	GA (week)		BW (gram)
			(Mean ± SD)	Range	(Mean ± SD)	Range
1	22	9/13	24.41 ± 0.8	23–25	825.5 ± 211.4	530–1370
2	87	42/45	26.4 ± 0.5	26–27	997.4 ± 206.2	460–1600
All	109	51/58	26.05 ± 1.0	23–27	963.4 ± 217.4	460–1600

BW: birth weight; GA: gestational age; M: male; F: female.