Table 4– Logistic regression analysis of variables associated with the risk of belonging to the adjusting positive airway pressure-responding insomnia group
VariableOR (95% CI)
Age yrs0.832 (0.697–0.994)
BMI kg·m−20.703 (0.522–0.947)
APAP useT24 %1.124 (0.986–1.280)
ESS1.536 (1.093–2.159)
RDI events·h−11.080 (1.010–1.154)

  • BMI: body mass index; APAP: auto-adjusting positive airway pressure; APAP useT24: mean nightly APAP use/time slept, time slept being assessed by the Pittsburgh sleep quality index questionnaire; ESS: Epworth Sleepiness Score; RDI: respiratory disturbance index.