Table 2.

Comparison of primary and secondary outcomes between the two groups.

	Groups		p
	NAVA	Control
	n = 15	n = 15
Total duration of respiratory support, days ± SD	60.4 ± 19.2	59.5 ± 26.3	0.867
Duration of invasive respiratory ventilation, days ± SD	35.7 ± 18.3	29.1 ± 23.2	0.40
Duration of non-invasive ventilation,days ± SD	24.7 ± 12.9	30.4 ± 15.0	0.277
Duration of oxygen therapy, days ± SD	76.1 ± 18.8	69.2 ± 22.1	0.362
Length of hospital stay,days ± SD	84.1 ± 21.2	83.9 ± 19.7	0.979
Weight gain, gram/d	19.9 ± 5.5	19.3 ± 5.4	0.744
Sedation use day, median (Q1, Q3)	17.0 (0.0, 39.0)	6.0 (3.0, 32.0)	0.683
	NAVA group		p
	Before NAVA	After NAVA
Weight gain, gram/d	17.2 ± 6.1	20.4 ± 8.9	0.258
Sedation use day, median (Q1, Q3)	17.0 (0.0, 38.0)	0.0 (0.0,0.0)	0.012*

^*There were significant decrease in the need of sedation after changing to NAVA ventilation in the NAVA group.