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. Author manuscript; available in PMC: 2022 May 1.
Published in final edited form as: J Pediatr. 2021 Jan 20;232:65–72.e7. doi: 10.1016/j.jpeds.2021.01.031

Table 7:

Demographics of survivors by blood pressure availability by treatment arm

Missing Blood Pressure Available Blood Pressure
Placebo rhEpo Placebo rhEpo interaction
n N = 139 N = 150 N = 258 N = 233 p-value
Male, n (%) 62 (44.6%) 86 (57.3%) 134 (51.9%) 116 (49.8%) 0.048
Gestational Age, n (%) 0.28
 24 weeks 42 (30.2%) 36 (24.0%) 53 (20.5%) 49 (21.0%)
 25 weeks 30 (21.6%) 40 (26.7%) 76 (29.5%) 51 (21.9%)
 26 weeks 39 (28.1%) 33 (22.0%) 67 (26.0%) 49 (21.0%)
 27 weeks 28 (20.1%) 41 (27.3%) 62 (24.0%) 84 (36.1%)
Birth weight (g), mean (sd) 795.1 (170.1) 815.9 (180.8) 807.1 (187.6) 835.1 (196.7) 0.85
Birth length (cm), mean (sd) 33.1 (2.5) 33 (3.1) 32.9 (2.8) 33.3 (3.1) 0.25
Size for Gestational Age, n (%) 0.57
 Large 16 (11.5%) 22 (14.7%) 30 (11.6%) 23 (9.9%)
 Average 113 (81.3%) 120 (80.0%) 202 (78.3%) 193 (82.8%)
 Small 10 (7.2%) 8 (5.3%) 26 (10.1%) 17 (7.3%)
Apgar 1 min, median (IQR) 4 (3, 5) 4 (1.5, 6) 4 (2, 6) 4 (2, 6) 0.82
Apgar 5 min, median (IQR) 7 (5, 8) 7 (5, 8) 7 (5, 8) 7 (6, 8) 0.09
OFC (cm), mean (sd) 23 (1.5) 23.1 (1.9) 23.2 (2.1) 23.3 (1.9) 0.92
Number of fetuses, mean (sd) 1.3 (0.5) 1.3 (0.6) 1.3 (0.5) 1.3 (0.6) 0.95
Prenatal steroids, n (%) 123 (89.8%) 140 (94.6%) 238 (94.1%) 209 (90.9%) 0.06
 1 dose, n (%) 21 (17.1%) 28 (20.0%) 44 (18.5%) 54 (25.8%) 0.08
 2 doses, n (%) 94 (76.4%) 93 (66.4%) 165 (69.3%) 138 (66.0%)
 3 doses, n (%) 8 (6.5%) 17 (12.1%) 27 (11.3%) 14 (6.7%)
Delivery room resuscitation, n (%)
 Any 136 (97.8%) 145 (96.7%) 253 (98.1%) 221 (94.8%) 0.41
 Oxygen 103 (74.1%) 122 (81.3%) 219 (84.9%) 193 (82.8%) 0.13
 Positive pressure 118 (84.9%) 127 (84.7%) 238 (92.2%) 199 (85.4%) 0.12
 Intubation 110 (79.1%) 119 (79.3%) 217 (84.1%) 180 (77.3%) 0.23
 Surfactant 72 (51.8%) 72 (48.0%) 136 (52.7%) 117 (50.2%) 0.88
 Chest compression 7 (5.0%) 8 (5.3%) 23 (8.9%) 14 (6.0%) 0.44
 Resuscitation drugs 4 (2.9%) 5 (3.3%) 7 (2.7%) 6 (2.6%) 0.81