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Table 1 Basic patients’ characteristics

From: Modified lung ultrasound score predicts ventilation requirements in neonatal respiratory distress syndrome

Variable  
Gestational age (weeks), mean ±SD 27.3 ±2.4
Gestational age categories
 22 – 25 weeks 14 (20%)
 26 – 28 weeks 34 (49%)
 29 – 32 weeks 22 (31%)
Birth weight (g), mean ±SD 1037 ±270
Male 39 (56%)
Cesarean section 47 (67%)
Prenatal steroids 42 (60%)
Time from birth to first scan (hours)
 Median, IQR 10.7 (7.5 – 15.5)
 Range 2.8 – 22.4
Respiratory support at first scan
 None 6 (9%)
 Oxygen nasal cannula (low flow) 1 (1%)
 nCPAP 29 (41%)
 IPPV 34 (49%)
Oxygenation status at first scan
 PaO2 (kPa) 7.6 (6.2 – 9.5)
 FiO2 0.26 (0.21 – 0.40)
 SpO2 (%) 95 (94 – 98)
Treatment with surfactant 51 (73%)
Comorbidity
 Persistent ductus arteriosus 35 (50%)
 Atrial septum defect 8 (11%)
 Pneumonia 18 (26%)
Oxygen dependency at 36 weeks PMA 38 (54%)
  1. Unless otherwise stated data are n (%) or median (IQR)
  2. nCPAP nasal continuous positive airway pressure, IPPV intermittent positive pressure ventilation, PaO2 arterial partial pressure of oxygen, FiO2 fraction of inspired oxygen, SpO2 blood oxygen saturation, PMA postmenstrual age