TABLE 1.

Demographic and Perinatal Characteristics of Infants With ROP and Matched Controls

Infants With ROP (n = 23)Controls (n = 23)P
Gestational age, wk, mean ± SD (range)28.3 ± 2.3 (24–33)28.8 ± 2.8 (24–34).10
Birth weight, g, mean ± SD (range)1097 ± 451 (570–2245)1186 ± 546 (530–2625).16
Prolonged rupture of membranes (24 h), n (%)11 (47.8)11 (47.8).77
Administration of prenatal antibiotics, n (%)10 (43.5)10 (43.5).72
Administration of prenatal betamethasone, n (%)15 (65.2)14 (60.9).30
1-min Apgar score, median (range)8 (7–9)8 (7–9).42
5-min Apgar score, median (range)8 (6–10)8 (6–10).30
Presence of respiratory distress syndrome, n (%)15 (65.2)16 (69.5).33
Endotracheal surfactant administration, n (%)13 (56.5)15 (65.2).67
Duration of ventilation, d, mean ± SD5.4 ± 8.35.3 ± 5.2.41
Maximal oxygen delivered, %, mean ± SD27.5 ± 10.3824.9 ± 12.15.56
Duration of oxygen delivered, d, mean ± SD10.8 ± 12.89.8 ± 10.4.41
Patent ductus arteriosus, n (%)17 (73.9)18 (78.3).19
Indomethacin for patent ductus arteriosus, n (%)13 (56.5)15 (65.2).16
IVH, n (%)5 (21.7)6 (26.1).43
Periventricular leukomalacia, n (%)3 (13.04)3 (13.04).67
Umbilical artery catheter, n (%)9 (39.1)7 (30.4).18
Umbilical vein catheter, n (%)9 (39.1)8 (34.8).19
Duration of total parenteral nutrition, d, mean ± SD7.3 ± 5.87.4 ± 4.8.39
  • None of the differences were statistically different.