Value of Chest Radiographic Pattern in RSV Disease of the Newborn: A Multicenter Retrospective Cohort Study

Table 2

Disease characteristics in infants hospitalized in NICU with an RSV newborns presenting a CPCR versus HPCR pattern.

Markers of disease severity	CPCR; (𝑁=101)	HPCR; (𝑁=158)	𝑃
Length of stay, median (IQR (25th–75th percentile)), d	8 (5–12)	7 (4–9)	0.005^a
Supplemental oxygen
Requirement, 𝑛 (%)	93 (92.0)	124 (78.5)	0.004^a
Duration, median (IQR (25th-75th percentile)), d	4 (3–7)	3 (2–5)	0.003^a
O2 maximum concentration, median (IQR (25th–75th percentile)), (%)	30 (28–50)	30 (27–38)	0.085
Respiratory support
Requirement, 𝑛 (%)	50 (49.5)	46 (29.1)	0.001^a
Duration, median (IQR (25th–75th percentile)), d	3 (1–5)	2 (1–3)	0.184
Invasive mechanical ventilation
Requirement, 𝑛 (%)	23 (22.8)	17 (10.8)	0.009^a
Duration, median (IQR (25th–75th percentile)), d	4 (2–6)	3 (1–4)	0.137
Maximum inspiratory pressure, median (IQR (25th–75th percentile)), mmHg	22 (20–28)	20 (20–23)	0.257

NICU: neonatal intensive care unit; RSV: respiratory syncytial virus; CPCR: consolidation pattern in chest radiography; HPCR: hyperinflation pattern in chest radiography; IQR: interquartile range; ^asignificant differences.