Table 1.

Demographic data in all groups

	Group PS	Group CPAP	Group T
Age (years)	73 ± 13	71 ± 16	75 ± 12
Weight (kg)	61 ± 20	63 ± 21	66 ± 22
Gender (male/female)	9/11	11/9	8/12
Acute Physiology and Chronic Health Evaluation II	18 ± 8	17 ± 6	19 ± 6

PS, pressure support; CPAP, continuous positive airway pressure; T, T-piece.