Table 5

Therapy settings, compliance and use of hospital resources

Baselinep Value
NIVControlUnadjustedAdjusted*
Oxygen therapy, %2535NS
Oxygen flow, L/min, mean (SD)1.8 (09)1.4 (0.4)NS
Pressures, cm H2O, mean (SD)
 IPAP18.2 (3.4)
 EPAP7.1 (1.8)
Respiratory rate, mean (SD)15 (3)
Mask, %
 Nasal18
 Full-face82
Compliance, hours/day, mean (SD)6 (2.7)
Emergency room visit, mean (SD)0.05 (0.22)0.23 (0.52)0.04NS
Hospital admission rate, mean (SD)00.05 (0.21)NS
Hospital days, mean (SD)00.65 (3)NS
  • Bold type indicates statistical significance.

  • *Adjusted by basic adjustment (baseline values of the variable analysed and age, gender, BMI and AHI).

  • AHI, apnoea–hypopnoea index; BMI, body mass index; EPAP, expiratory positive airway pressure; IPAP, inspiratory positive airway pressure; NIV, non-invasive ventilation.