Table 2 Demographics of study population by IUGR status.
From: Prenatal intrauterine growth restriction and risk of retinopathy of prematurity
Non-IUGR (n = 257) | IUGR (n = 86) | p value | |
|---|---|---|---|
Gestational age (weeks) | |||
Mean ± SD | 29.37 ± 2.36 | 26.35 ± 2.69 | < 0.0001 |
(Range) | (22.86–34.43) | (22.14–33.14) | |
Birth weight (g) | |||
Mean ± SD | 1246.5 ± 369.8 | 814.5 ± 306.5 | < 0.0001 |
(Range) | (410–2940) | (410–2245) | |
No. (%) of infants inborn | 129 (50.19%) | 37 (43.02%) | 0.249 |
No. (%) of male infants | 146 (56.81%) | 44 (51.16%) | 0.362 |
CGA at worst exam (weeks) | |||
Mean SD | 35.83 ± 2.96 | 36.44 ± 3.63 | 0.167 |
(Range) | (31.14–52.29) | (30.71–49.14) | |
DOL at worst ROP exam (days) | 45.20 ± 25.40 | 70.62 ± 33.75 | < 0.0001 |
Weight z-score change from birth to worst ROP exama | − 1.47 ± 0.83 (n = 212) | − 1.60 ± 0.90 (n = 71) | 0.296 |
