Impacts of three inspiratory muscle training programs on inspiratory muscles strength and endurance among intubated and mechanically ventilated patients with difficult weaning: a multicentre randomised controlled trial

Table 3 Results of IMT in each group

	MI	HI	LI
^aChange in MIP (cmH₂O) mean (SD)	10.8 (11.9)	6.7 (14.5)	4.5 (14.8)
^aChange in Ppk time (min) mean (SD)	2.5 (3)	1.7 (2.2)	2.2 (2.8)
^bMV duration (days) n (%)	6.7 (5.8)	5.8 (5.1)	5.5 (4.7)
^bICU length of stay (days) n (%)	11.4 (8.3)	10.9 (8.2)	11.1 (8)
^bWeaning success n (%)	36 (83.7)	19 (82.6)	17 (73.9)
^bReintubation n (%)	3 (7.5)	2 (9.5)	3 (13.6)

IMT inspiratory muscle training, MIP maximal inspiratory pressure, MI mixed intensity, HI high intensity, LI low intensity, Ppk pressure peak, SD standard deviation, CI confidence interval, MV mechanical ventilation, ICU intensive care unit
^aResults with LOCF missing data management
^bDescription based on available data

ISSN: 2052-0492