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Table 1 OSAKA Questionnaire Responses

From: Knowledge and confidence in managing obstructive sleep apnea patients in Canadian otolaryngology - head and neck surgery residents: a cross sectional survey

OSAKA Questionnaire Responses
Knowledge QuestionsNumber of Correct Responses (%)
1. Women with OSA may present with fatigue alone. (True)57 (86.4%)
2. Uvulopalatopharyngoplasty is curative for the majority of patients with OSA. (False)59 (89.4%)
3. The estimated prevalence of OSA among adults is between 2 and 10%. (True)35 (53.0%)
4. The majority of patients with OSA snore. (True)53 (80.3%)
5. OSA is associated with hypertension. (True)62 (93.9%)
6. An overnight sleep study is the gold standard for diagnosing OSA. (True)60 (90.9%)
7. CPAP (continuous positive airway pressure) therapy may cause nasal congestion. (True)38 (57.6%)
8. Laser-assisted uvuloplasty is an appropriate treatment for severe OSA. (False)27 (40.9%)
9. The loss of upper airway muscle tone during sleep contributes to OSA. (True)65 (98.5%)
10. The most common cause of OSA in children is the presence of large tonsils and adenoids. (True)66 (100%)
11. A craniofacial and oropharyngeal examination is useful in the assessment of patients with suspected OSA. (True)65 (98.5%)
12. Alcohol at bedtime improves OSA. (False)63 (95.5%)
13. Untreated OSA is associated with a higher incidence of automobile crashes. (True)61 (92.4%)
14. In men, a collar size 17 in. or greater is associated with OSA. (True)53 (80.3%)
15. OSA is more common in women than in men. (False)64 (97.0%)
16. CPAP is the first line therapy for severe OSA. (True)60 (90.9%)
17. Less than 5 apneas or hypopneas per hours is normal in adults. (True)56 (84.8%)
18. Cardiac arrhythmias may be associated with untreated OSA. (True)60 (90.9%)
Median Total Knowledge Score (IQR)16 (14–16)
Attitude Questions
Not important = 1, Somewhat important = 2, Important = 3, Very important = 4, Extremely important = 5
Median Score out of 5 (Interquartile Range)
1. As a clinical disorder, OSA is:4(3–4)
2. Identifying patients with possible OSA is:4(3–4)
Median Total Attitude Score4(3–4)
Confidence Questions
Strongly disagree = 1, Disagree = 2, Neither agree nor disagree = 3, Agree = 4, Strongly Agree = 5
Median out of 5 (Interquartile Range)
1. I feel confident identifying patients at-risk for OSA:4(4–4)
2. I am confident in my ability to manage patients with OSA:3(3–4)
3. I am confident in my ability to manage patients on CPAP therapy:3(2–3)
Mean Total Confidence Score3(3–4)