Factors Affecting the Weaning from Nasal CPAP in Preterm Neonates

Table 2

Weight (grams) and postmenstrual age (PMA in weeks) at various NCPAP time points, for the entire cohort and for subgroups stratified by intubation.

	Full cohort (𝑛=454)		Nonintubated (𝑛=326)		Intubation (𝑛=128)
	Weight	PMA	Weight	PMA	Weight	PMA
At start of NCPAP	1356±392	29.6±2.1	1480±346	30.3±1.7	1037±315 *	27.9±2.1 ***
Reaching 0.21 FiO2 NCPAP	1342±377	30.1±2.1	1441±344	30.5±1.7	1089±339 *	29±2.6 *
Initiation of NCPAP weaning	1492±376	31.9±2.2	1462±345	31.3±1.4	1570±438 *	33.2±2.9 *
Successful NCPAP weaning	1611±432	32.9±2.5	1580±381	32.1±1.7	1869±484 **	35±2.9 **

* 𝑃<0.01, **𝑃<0.001, ***𝑃<0.0001 when the weights and PMA of intubated neonates were compared to those nonintubated.