Noninvasive Ventilation with Heliox for Respiratory Distress Syndrome in Preterm Infant: A Systematic Review and Meta-Analysis

Table 2

Details of included papers.

	Li et al. 2014	Dani et al. 2013	Colnaghi et al. 2012
Single or multicenter design	Single	Single	Multicenter
Mode of noninvasive ventilation	NIPPV	NCPAP or BiPAP	NCPAP
Time of Heliox administration (hours)	3	24	12
Heliox expenditure (/infant)	2000	—	7500
Whether or not surfactant was given	Surfactant was given only as rescue therapy	Early rescue surfactant treatment when FiO2 > 0.30	Surfactant was given only as rescue therapy
Whether or not noninvasive ventilation was used as primary support	Yes	No	Yes
Side effects	No	No	No

Exchange rate in 1/1/2008: 1 = 0.1.