untreated group

cpap treatment group

The C-SAQLI was developed as a sleep apnea specific quality of life instrument It is a 35-item questionnaire that measures the negative impact of sleep apnea on daily functions, social interactions, emotional functions, and symptoms. Items are scored on a 7-point scale with "all of the time" and "not at all" being the most extreme responses. Item and domain scores are averaged to yield a composite total score between 1 and 7. Higher scores represent better quality of life.

The SF-36 is a multipurpose self-administered health survey consisting of 36 questions divided into 8 individual domains. These 8 sections are as follows; (1) physical functioning , (2) role physical , (3) bodily pain, (4) general health perceptions; (5) vitality , (6) social functioning, (7) role emotional, and (8) general mental health.

The ESS is an eight-item questionnaire that measure daytime sleepiness. The questionnaire is in a four-Likert (0-3) response format and the score ranges from 0 to 24. Higher scores indicate more daytime sleepiness.