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Year : 2018  |  Volume : 29  |  Issue : 1  |  Page : 55-60

Adult balanoposthitis patients have a higher risk of Type 2 diabetes mellitus: A nationwide population-based cohort study

Department of Urology, China Medical University and Hospital, Taichung, Taiwan

Correspondence Address:
Chi-Ping Huang
China Medical University Hospital, Taichung
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/UROS.UROS_6_18

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Background: We investigated the association between balanoposthitis and the risk of type 2 diabetes mellitus (type 2 DM) from a retrospective cohort study. Methods: From the Longitudinal Health Insurance Database (LHID) 2000, we selected male patients aged over 20 years and first diagnosed with balanoposthitis during 2000–2010. Men without balanoposthitis were also included in our analysis through frequency matching for age and index year. All participants were followed up until the diagnosis of type 2 DM. Diseases were coded in accordance with the International Classification of Diseases, Ninth Revision, Clinical Modification. Baseline comorbidity history for each participant was determined from the LHID dataset. A multivariable Cox proportional hazard regression model was established, and a Kaplan–Meier survival curve was plotted. Results: The incidence of type 2 DM was higher in the balanoposthitis cohort than in the nonbalanoposthitis cohort (14.8 vs. 5.42/1000 person-years) with a hazard ratio of 2.55 (95% confidence interval = 2.22–2.92) after adjusting for age and other comorbidities. The incidence of type 2 DM increased with age in both cohorts. Balanitis patients with hypertension, hyperlipidemia, or obesity had higher risks for type 2 DM than those without these conditions (all P < 0.05). Conclusions: Men with balanoposthitis may have a higher risk of type 2 DM in the future. Therefore, clinical physicians should pay more attention to the early evaluation and management of type 2 DM in the patients with balanoposthitis.

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