The prevalence of obstructive sleep apnea-hypopnea syndrome-related symptoms and their relation to airflow limitation in an elderly population receiving home care.

However, participants with airflow limitation had lower mean BMI compared to those without (28.4±4.8 versus 29.9±5.3, P =0.034), while a significant trend towards decreasing prevalence of airflow limitation with increasing BMI was noted (χ 2 test for linear trend, P =0.047).

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