Varicose veins are a risk factor for deep venous thrombosis in general practice patients.

摘要: Background: The role of varicose veins (VV) as a risk factor for development deep venous thrombosis (DVT) is still controversial. aim this study in primary care was to determine the impact varicosity potential developing DVT. Patients and methods: During observation period between 01-Jan-2008 01-Jan-2011, all cases with VV (ICD code I83.9) DVT codes I80.1 - I80.9) were identified out CONTENT register (Heidelberg, Germany). exposure based solely on ICD coding without regarding accuracy diagnosis. covariates age, gender, surgery, hospitalization, congestive heart failure, malignancy, pregnancy, hormonal therapy, respiratory infection extracted each patient. Multivariate binary logistic regression performed order assess factors SAS procedure “PROC GENMOD” (SAS version 9.2, 64-bit) parameterised accordingly. A cluster effect (patients with...