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Table 2 Perinatal characteristics of study participants

From: Pulmonary outcomes in adults with a history of Bronchopulmonary Dysplasia differ from patients with asthma

  BPD
n = 26
Preterm
n = 23
Asthma
n = 23
Healthy controls
n = 24
Male/Female 11/15 10/13 10/13 12/12
Gestational age at birth, weeks 26###
(24–31)
29.5
(26–32)
40
(38–42)
40
(37–43)
Birth weight, g 960###
(583–1510)
1470
(659–2200)
3505
(2660–4840)
3458
(2670–4550)
Small for gestational age 8 (31) 7 (30) 0 0
Maternal smoking during pregnancy 7 (27) 3 (13) 2 (9) 5 (21)
Prenatal corticosteroid therapy 11 (42) 10 (43) N/A N/A
Caesarean section 13 (50) 18 (78) 1 (4) 1 (4)
Multiple birth 8 (31) 12 (52) 0 0
Apgar score at 1 min 5 (1–9)*** 8 (4–10) 9 (5–10) 9 (5–9)
Apgar score at 5 min 7 (3–10)*** 9 (3–10)** 10 (7–10) 10 (8–10)
Instillation of surfactant 8 (31) 2 (4) N/A N/A
Ventilator therapy, days 4 (0–38) 0 (0–8) N/A N/A
CPAP, days 41 (3–70) 3 (0–19) N/A N/A
Supplemental O2, days 67 (28–180) 3 (1–26) N/A N/A
Septicemia 16 (62)## 6 (26) N/A N/A
PDA, treated 8 (31)## 0 N/A N/A
ROP grade 3–4 7 (27) 3 (13) N/A N/A
  1. Data are presented as median (range) or numbers (%). Abbreviations: BPD bronchopulmonary dysplasia, N/A not applicable, CPAP continuous positive airway pressure, PDA patent ductus arteriosus, ROP retinopathy of prematurity
  2. ##p ≤ 0.01; ###p ≤ 0.001 (BPD versus preterm)
  3. **p ≤ 0.01; ***p ≤ 0.001 (Comparing BPD-, preterm- and asthma-groups to healthy controls)