The epidemiology of gallstone disease in Rome, Italy. Part II. Factors associated with the disease
The Rome Group for Epidemiology and Prevention of Cholelithiasis (GREPCO) – 1 July 1988 – The epidemiological associations of gallstone disease were evaluated in a population of 2,325 civil servants (1,244 men and 1,081 women) in Rome, Italy, which was enrolled in a cross‐sectional survey on cholelithiasis. Participants were screened for the presence of gallstones by gallbladder ultrasonography, completed a questionnaire on family and personal history and underwent a physical examination and blood chemistry.