Increased incidence of cardiovascular disease in middle-aged men with obstructive sleep apnea: a 7-year follow-up.

The incidence of a cardiovascular disease (CVD) was explored in a consecutive sleep clinic cohort of 182 middle-aged men (mean age, 46.8 +/- 9.3; range, 30-69 years in 1991) with or without obstructive sleep apnea (OSA).