TABLE 4. Comparison of hospitalization time, ward and ICU between Control and Non-Invasive Ventilation (NIV) groups.

Variables	Control group (n=25)	NIV group (n=25)	p
ICU (days)	35.52±12.23	34.15±12.09	0.690
Ward (days)	77.76±10.46	74.77±12.38	0.357
Hospitalization	113.28±20.22	109.85±20.56	0.551

NIV=noninvasive ventilation; ICU=intensive care unit; * =Student’s t-test. p <0.05.