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Table 2 Clinical characteristics of transfused vs. not transfused infants

From: Factors associated with red blood cell transfusions in very-low-birth-weight preterm infants in Brazilian neonatal units

  Transfused (n = 2208) Non-transfused (n = 2075) p
Gestational age (weeks) 28.8 ± 2.6 31.1 ± 2.7 <0.001
Gestational age <28 weeks [n (%)] 798 (36.1 %) 230 (11.1 %) <0.001
Birth weight (grams) 971 ± 254 1205 ± 242 <0.001
Birth weight <1000 grams [n (%)] 1211 (54.8 %) 380 (18.3 %) <0.001
5th minute Apgar <7 [n (%)] 428 (19.4 %) 184 (8.9 %) <0.001
SNAPPE II (score) 30 ± 22 18 ± 18 <0.001
Respiratory distress syndrome [n (%)] 1749 (79.2 %) 1006 (48.5 %) <0.001
Apnea [n (%)] 1168 (52.9 %) 658 (31.7 %) <0.001
Pulmonary hemorrhage [n (%)] 216 (9.8 %) 46 (2.2 %) <0.001
Patent ductus arteriosus [n (%)] 955 (43.3 %) 488 (23.5 %) <0.001
Clinical sepsis [n (%)] 1808 (81.9 %) 755 (36.4 %) <0.001
Necrotizing enterocolitis [n (%)] 266 (12.0 %) 41 (2.0 %) <0.001
PIVH grade 3-4 [n (%)] 240 (10.9 %) 85 (4.1 %) <0.001
Periventricular leukomalacia [n (%)] 183 (8.3 %) 81 (3.9 %) <0.001
Retinophaty of prematurity [n (%)] 514 (23.3 %) 273 (13.2 %) <0.001
Need for oxygen at 28 days of life [n (%)] 799 (36.2 %) 287 (13.8 %) <0.001
Need for O2 therapy at 36 weeks [n (%)] 485 (22.0 %) 153 (7.4 %) <0.001
Use of umbilical catheter [n (%)] 1677 (76.0 %) 1080 (52.0 %) <0.001
Need for mechanical ventilation [n (%)] 1848 (83.7 %) 767 (37.0 %) <0.001
Duration of mechanical ventilation (days) 13 ± 19 3 ± 8 <0.001
Need for vasoactive drugs [n (%)] 328 (14.9 %) 119 (5.7 %) <0.001
Use of paraenteral nutrition [n (%)] 2136 (96.7 %) 1666 (80.3 %) <0.001
Duration of hospitalization (days) 59 ± 41 35 ± 20 <0.001
Hospitalization > 60 days [n (%)] 1053 (47.7 %) 184 (8.9 %) <0.001
Intra-hospital death [n (%)] 662 (30.0 %) 300 (14.5 %) <0.001
  1. SNAPPE II Morbidity and mortality risk scores, PIVH peri-intraventricular hemorrhage