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Table 3 Relationship between haemoglobin at birth and secondary outcomes (n = 890)

From: Haemoglobin level at birth is associated with short term outcomes and mortality in preterm infants

Health interventions Number (%) Haemoglobin at birth (g/dL) P values for trend
  <12 12 to <14 14 to <16 16 to <18 18+
n = 67 n = 124 n = 122 n = 408 n = 169
Transfusion* (n = 890) 518 (58.2) Crude (95% CI) 27.2 (9.4–78.3) 6.8 (4.0–11.7) 5.0 (3.0–8.3) 1.7 (1.2–2.5) 1 <0.01
Adjusted (95% CI) 16.6 (3.9–70.5) 3.5 (1.7–7.4) 2.7 (1.4–5.2) 1.6 (1.0–2.5) 1 <0.01
Infants survived to discharge (n = 787)
    n = 39 n = 100 n = 106 n = 379 n = 163  
Median length of intensive care days (95% CI) 787 (88.4) Median (95% CI) 20 (4.3–35.7) 14.5 (4.3–24.7) 8 (4.6–11.4) 4 ( 3.0–5.0) 4 (3.0–5.0) <0.01
Median length of neonatal unit days (95% CI) 787 (88.4) Median (95% CI) 44 (29.3–58.7) 53 (43.2–62.8) 48 (43.2–52.8) 37 (341–39.9) 37 (33.6–40.7) 0.01
  1. *Odds ratio, Adjusted for GA and BWt.