Need for oxygen therapy and ventilatory support in premature infants in a hospital in Southern Brazil

Table 2 Preterm infant data

	Median (p25-p75)
Gestational Age (wk)	34 (31.9-35.4)
< 28, n (%)	7 (7.8)
≥ 28 and < 30, n (%)	5 (5.6)
≥ 30 and < 34, n (%)	27 (30.0)
≥ 34 and < 37, n (%)	51 (56.7)
Birth weight (grams)	2240.0 (1588.7-2520.0)
PI Morbidities, n (%)
NRDS	55 (60.9%)
Low birth weight	5 (5.5%)
Tachypnea	4 (4.4%)
Apnea	1 (1.1%)
Others	25 (28.1%)
HR (bpm), 1st h after birth	145.0 (134.7-153.2)
RR (cpm), 1st h after birth	52.0 (41.7-64.0)
SpO2 (%)-1st h after birth	96.0 (93.0- 97.0)
Apgar (1st min)	8.0 (6.0-8.0)
< 8, n (%)	39 (43.2%)
≥ 8, n (%)	51 (56.7%)
Apgar (5th min)	9.0 (8.0-9.0)
< 8, n (%)	6 (6.6)
≥ 8, n (%)	84 (93.3%)
Need for oxygen therapy or ventilatory support
Oxygen therapy	12 (13.3%)
CPAP	37 (41.1%)
MV	13 (14.4%)
ICU admission	76 (84.4%)
Length of stay (d)	12.0 (5.0-22.2)
Death	10 (11.1%)
Death by gestational age
< 28 wk, n (%)	6 (6.7)
≥ 28 and < 30 wk, n (%)	0 (0.0)
≥ 30 and < 34 wk, n (%)	2 (2.2)
≥ 34 and < 37 wk, n (%)	2 (2.2)

PI: Preterm infant; ICU: Intensive care unit; NRDS: Newborn respiratory distress syndrome; HR: Heart rate; RR: Respiratory rate; SpO2: Peripheral oxygen saturation; CPAP: Constant positive airway pressure; MV: Mechanical ventilation.