Table 4

Ventilatory settings

Group	Home, N=25			Hospital, N=28
Group	Baseline	3 months	6 months	Baseline	3 months	6 months
IPAP, cm H₂O	21.0±2.8	22.1±2.9*	23.6±2.3*	24.3±3.6†	24.7±3.3†	25.7±3.4*†
EPAP, cm H₂O	4.5±0.8	4.6±0.9	4.6±0.9	5.7±1.2†	5.8±1.2†	6.0±1.3†
IPAP–EPAP, cm H₂O	16.5±2.6	17.5±2.5*	19.0±2.1*	18.6±3.3†	18.9±2.8†	19.7±2.7*
BURR, breaths/min	13.5±2.5	13.8±2.2	13.9±2.0	15.6±2.9†	15.3±2.9†	15.4±3.0†

*Significant increase from baseline to 3 months or from 3 months to 6 months.
†Significant difference between the groups at equal time points.
BURR, backup respiratory rate; EPAP, expiratory positive airway pressure;IPAP, inspiratory positive airway pressure.