Table 1.

Characteristics of Study Infants With and Without Threshold ROP

Risk FactorsWith Threshold ROP
n = 58
Without Threshold ROP
n = 391
P Value
Median (Range)Median (Range)
Birth weight (g)700 (376–983)806 (386–1000)<.05
GA (wk)25 (23–29)26 (23–33)<.01
Length of stay (d)120 (62–272)87 (39–321)<.01
Apgar at 1 minute3 (1–7)4 (0–9)<.01
Apgar at 5 minute6 (1–9)7 (1–9)<.05
No. (%) No. (%)
Black ethnicity34 (59%)288 (74%).03
Male gender27 (47%)189 (48%)NS
Chronic lung disease51 (88%)285 (73%).01
Severe intraventricular hemorrhage plus periventricular leukomalacia11 (19%) 41 (10%).08
Candidemia19 (33%) 39 (10%)<.01