Obstructive sleep apnea and serum total testosterone: a system review and meta-analysis
Abstract
PURPOSE: Testosterone deficiency (TD) negatively affects male sexuality, reproduction, general health, and quality of life. In recent years, decreased serum testosterone levels have been reported to be caused by obstructive sleep apnea (OSA). However, these results are controversial and lack the support of a large number of high-quality studies. Hence, we performed a meta-analysis to assess the association between OSA and serum testosterone levels.
METHODS: To identify eligible studies, we conducted a systematic retrieval in the electronic databases (PubMed, Web of Science, the Cochrane Library, EMBASE) from their inception to September 2021. We chose studies with definitive diagnoses of OSA, including effects of OSA on testosterone level. Random effect model was used for analysis.
RESULTS: This meta-analysis included 24 case-control studies with 1389 patients (1268 male patients) and 845 controls (745 male control). The serum testosterone levels in the male OSA group were significantly lower than that of control group [SMD = - 0.97, 95% CI (- 1.47, - 0.47)], while there was no difference in female patients with OSA and control [SMD = 0.06, 95% CI (- 0.22, 0.33)]. Subgroup analysis showed that race, age, body mass index (BMI), and detection method were the reason for high heterogeneity (I2 = 94.9%).
CONCLUSIONS: The results indicated that OSA is significantly correlated with the decrease in serum testosterone levels in men. Male patients with OSA should be alerted to…
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 1,389 participants or records.
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