International Journal of Epidemiology 2000;29:524-531
© International Epidemiological Association 2000
Erectile dysfunction in Type 1 and Type 2 diabetics in Italy
a Cattedra Malattie Metaboliche, Università di Padova, Padova, Italy.
b Istituto Mario Negri, Milano, Italy.
c Prima Divisione Medica, Ospedale di Parma, Parma, Italy.
d Cattedra di Endocrinologia, Università di Perugia, Perugia, Italy.
e Research and Development, Medical Department, Pharmacia & Upjohn, Kalamazoo, USA.
f Direzione Medica, Pharmacia & Upjohn Italia, Milano, Italy.
Reprint requests to: Fabio Parazzini, Istituto di Ricerche Farmacologiche Mario Negri, Via Eritrea, 62, 20157 Milano, Italy. E-mail: parazzini{at}irfmn.mnegri.it
Background Several studies reported data on the increased risk of erectile dysfunction (ED) in populations of diabetic men, but few presented data separately for Type 1 and Type 2 subjects. No comparison data for these diabetic subgroups are available with regard to risk factors for ED.
Methods Eligible for the study were men aged 2069 years with a diagnosis of insulin-dependent (Type 1) or non-insulin-dependent (Type 2) diabetes who were observed on randomly selected days in 178 diabetes centres in Italy. Erectile dysfunction was defined as a failure to achieve and maintain an erection sufficient for satisfactory sexual performance.
Results The study population consisted of 1383 Type 1 and 8373 Type 2 men. The prevalence of ED increased with age for both groups. After taking into account the effect of age Type 2 men (37/100 men) tend to report ED less frequently than Type 1 men (51/100 men). A significant positive relationship was reported between ED and poor metabolic control and smoking for both Type 1 and Type 2 men, whereas high body mass index (BMI) increased only the risk of ED in Type 1 cases.
Conclusions The study offers a quantitative estimate of the prevalence of ED and its main risk factors in Type 1 and Type 2 diabetic subgroups.
Keywords Diabetes, erectile dysfunction, risk factors
Accepted 5 January 2000
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