NEC | n | Control | n | P | |
---|---|---|---|---|---|
Apgar score at 1 minute a | 8 (7–8) | 12 | 9 (8–9) | 12 | 0.01 |
Apgar score at 5 minutes a | 8 (8–9) | 12 | 9 (9–10) | 12 | 0.009 |
Respiratory support in the delivery room (%) a | 11 (69) | 16 | 2 (13) | 16 | 0.001 |
Diastolic blood pressure 0–24 h (mm Hg) a | 42 (34–44) | 16 | 40 (38–48) | 16 | 0.49 |
Diastolic blood pressure 24–48 h (mm Hg)b | 39 (34–42) | 10 | 43 (37–51) | 10 | 0.11 |
Systolic blood pressure 0–24 h (mm Hg) a | 68 (63–76) | 16 | 72 (66–77) | 16 | 0.37 |
Systolic blood pressure 24–48 h (mm Hg)b | 67 (62–74) | 10 | 70 (68–80) | 10 | 0.29 |
First Hb measurement (mmol/L)b | 9.3 (8.7–10.1) | 11 | 10.8 (9.1–11.6) | 11 | 0.26 |
Lowest pH measurement a | 7.24 (7.17–7.35) | 9 | 7.38 (7.27–7.43) | 9 | 0.16 |
Metabolic acidosis | 4 (44) | 9 | 2 (22) | 9 | 0.62 |
Post-ductal SpO2 0–24 h a | 91 (89–96) | 13 | 93 (89–94) | 13 | 0.58 |
Post-ductal SpO2 24–48 h b | 93 (89–95) | 12 | 93 (90–95) | 12 | 0.88 |
Heart rate 0–24 h a | 143 (142–157) | 11 | 146 (134–154) | 11 | 0.49 |
Heart rate 24–48 hb | 149 (138–155) | 8 | 140 (133–150) | 8 | 0.40 |
Respiratory support 0–24 h (%) a | 9 (56) | 16 | 10 (63) | 16 | 0.70 |
Respiratory support 24–48 h (%)b | 4 (50) | 8 | 4 (50) | 8 | 1.00 |
Prostaglandin E1 0–24 h (%) a | 8 (50) | 16 | 11 (69) | 16 | 0.28 |
Prostaglandin E1 24–48 h (%)b | 4 (44) | 9 | 5 (56) | 9 | 1.00 |
Inotropes (%) a | 2 (13) | 16 | 1 (6) | 16 | 1.00 |
Internal ductal diameter (mm) a | 2.8 (1.9–3.4) | 11 | 3.3 (3.0-3.6) | 11 | 0.17 |
LA:Ao-ratio a | 1.7 (1.5–2.3) | 9 | 1.8 (1.4–1.9) | 9 | 0.51 |
LVEDD (mm) a | 16.0 (11.2–20.0) | 10 | 15.5 (14.2–18.1) | 10 | 0.94 |
Diastolic backflow in the descending aorta (%) a | 6 (55) | 11 | 5 (46) | 11 | 0.67 |
Diastolic forward blood flow in the pulmonary arteries (%) a | 7 (70) | 10 | 7 (70) | 10 | 1.00 |