To detect the existence of severe obstructive sleep apnea (OSA) in chronic obstructive pulmonary disease (COPD) patients, which had higher mortality and hospitalization rate, a simplified questionnaire was developed for identifying those COPD patients with severe OSA.
To detect the existence of severe obstructive sleep apnea (OSA) in chronic obstructive pulmonary disease (COPD) patients, which had higher mortality and hospitalization rate, a simplified questionnaire was developed for identifying those COPD patients with severe OSA. With patient's BMI, neck and waist circumference, snores, witnessed apnea... Time frame suspect to enroll 5 patients in 1 month and complete 4 patients at least we need 24 months to complete 120 patients
Study Type
OBSERVATIONAL
Enrollment
67
Department of Thoracic Medicine, Chang Gung Memorial Hospital
Taipei, Taiwan
The efficacy of simple questionnaire to detect severe OSA in COPD patients
The main outcome of this study : calculate the sensitivity, specificity, positive predictive value, negative predictive value, ROC curve Time frame: enroll 5 patients in 1 month and complete 4 patients at least we need 24 months to complete 120 patients PSG is standard diagnostic tool and it is no safety issue in this study
Time frame: since Dec 1, 2012 to Dec 1, 2014 (up to 2 years)
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