| | | EOP (n = 113) | LOP (n = 101) | Total (n = 214) | |
| | Gestational age at delivery, weeks ± SD (range) | 30.6 ± 2.2 (23.0–33.8) | 36.6 ± 1.4 (34.0–39.5) | 33.9 ± 1.9 (23.0–39.5) | <0.0001 | | Birth weight (g), mean ± SD (range) | 1358 ± 497 (460–3450) | 2511 ± 689 (1010–4320) | 1934 ± 592 (460–4320) | <0.001 | | Fetal sex | | | | | | Female, n (%) | 63 (56.0) | 53 (52.0) | 116 (54.0) | ns | | Male, n (%) | 50 (44.0) | 48 (48.0) | 98 (46.0) | ns | | Intrauterine fetal distress, n (%) | 78 (69.0) | 33 (33.0) | 111 (51.8) | <0.001 | | UA PI >95th percentile, n (%) | 27 (23.9) | 15 (15.0) | 42 (19.6) | ns | | MCA PI <5th percentile, n (%) | 52 (46.0) | 11 (11.0) | 63 (29.4) | <0.001 | | CPR <5th percentile, n (%) | 79 (70.0) | 32 (32.0) | 111 (51.8) | 0.001 | | FGR <10th percentile, n (%) | 80 (70.7) | 49 (49.0) | 129 (60.2) | 0.0015 | | FGR <5th percentile, n (%) | 71 (62.8) | 46 (46.0) | 117 (54.6) | 0.006 | | FGR <3rd percentile, n (%) | 66 (58.4) | 37 (37.0) | 103 (48.1) | 0.002 | | Apgar score at 1 min, mean ± SD (range) | 6.7 ± 1.9 (1–10) | 9.1 ± 1.4 (1–10) | 7.9 ± 1.5 (1–10) | <0.001 | | Apgar score at 3 min, mean ± SD (range) | 7.4 ± 1.7 (1–10) | 9.6 ± 0.7 (7–10) | 8.5 ± 1.4 (1–10) | <0.001 | | Apgar score at 5 min, mean ± SD (range) | 7.8 ± 1.3 (4–10) | 9.8 ± 0.6 (7–10) | 8.8 ± 1.3 (4–10) | <0.001 | | Apgar score <7 at 1 min, n (%) | 51 (45.0) | 4 (4.0) | 55 (25.7) | <0.001 | | Apgar score <7 at 3 min, n (%) | 27 (23.9) | 2 (2.0) | 29 (13.5) | <0.001 | | Apgar score <7 at 5 min, n (%) | 19 (16.8) | 0 (0.0) | 19 (8.8) | <0.001 | | Intrauterine fetal death, n (%) | 1 (0.9) | 0 (0.0) | 1 (0.4) | ns | | IVH, n (%) | 31 (27.4) | 1 (1.0) | 32 (14.9) | <0.0001 | | FFP transfusion, n (%) | 15 (13.3) | 0 (0.0) | 15 (7.0) | 0.0002 | | Mechanical ventilation | 33 (29.2) | 1 (1.0) | 34 (15.9) | <0.0001 | | Infection complications, n (%) | | | | | | Early sepsis | 18 (16.0) | 1 (1.0) | 19 (8.8) | 0.0004 | | Late sepsis | 20 (17.7) | 2 (2.0) | 22 (10.2) | 0.0021 | | Retinopathy, n (%) | 2 (1.8) | 0 (0.0) | 2 (0.9) | ns | | NEC, n (%) | 3 (2.6) | 0 (0.0) | 3 (1.4) | ns | | Fetal death, n (%) | 13 (11.5) | 0 (0.0) | 13 (6.0) | 0.0008 | | Born ≤28 weeks | 10 (8.8) | 0 (0.0) | | 0.0058 | | Born >28 weeks | 3 (2.6) | 0 (0.0) | | ns |
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CPR, cerebroplacental ratio; FFP, fresh frozen plasma; FGR, fetal growth restriction; IVH, intraventricular hemorrhage; MCA, middle cerebral artery; NEC, necrotizing enterocolitis; ns, nonstatistically significant; PI, pulsatility index; RDS, respiratory distress syndrome; SD, standard deviation; UA, umbilical artery; EOP, early-onset preeclampsia; LOP, late-onset preeclampsia.
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