Purpose: This study aimed to investigate associations between obstructive sleep apnea (OSA) and urological comorbidities using a large population-based dataset. Methods: This cross-sectional study used the Taiwan Longitudinal Health Insurance Database 2005. We included 1236 males with OSA in the study group and 4944 males without OSA in the comparison group. Conditional logistic regressions were performed to examine relationships between OSA and urological comorbidities. Results: We found that patients with OSA had significantly greater prevalences of hypertrophy of the prostate (15.13 vs. 7.28 %), chronic prostatitis (4.37 vs. 2.16 %,), urinary incontinence (3.32 vs. 0.87 %), nocturia (2.02 vs. 0.61 %), erectile dysfunction (2.91 vs. 0.97 %), urinary calculi (12.06 vs. 6.80 %), and prostate cancer (0.97 vs. 0.40 %) than the comparison group. Additionally, the adjusted odds ratios in males with OSA for hypertrophy of prostate, chronic prostatitis, urinary incontinence, nocturia, erectile dysfunction, urinary calculi, and prostate cancer were 2.54 (95 % confidence interval (CI) 2.05~3.15), 1.95 (95 % CI 1.38~2.74), 4.13 (95 % CI 2.63~6.50), 3.54 (95 % CI 2.03~6.18), 2.95 (95 % CI 1.89~4.61), 1.89 (95 % CI 1.53~2.33), and 2.14 (95 % CI 1.03~4.43) than those without OSA, respectively. Conclusions: This study concluded that males with OSA had higher odds ratios of hypertrophy of the prostate, chronic prostatitis, urinary incontinence, nocturia, erectile dysfunction, urinary calculi, and prostate cancer than comparison group.
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