MedicalResearch.com Interview with: Dr. W.M. Lijfering, MD, PhD Department of Clinical Epidemiology, C7-P-89 Leiden University Medical Center PO Box 9600 2300 RC Leiden   MedicalResearch.com: What are the main findings of the study? Dr. Lijfering: In this study we found that the risk of a first venous thrombosis* is two-fold higher in men than in women once female reproductive risk factors for venous thrombosis are taken into account (odds ratio 1.9, 95% CI 1.7-2.2). These results were found in all age categories (18-70 years) and were not affected by adjustment for body mass index and smoking, or by excluding participants with malignancy. (more…)