Table 3 Characteristics of studies included in the meta-analysis
Author | Year | Country | Study disgn | Follow up duration | Sample size | Exposure | Measure of effect | RR(cholelithiasis risk) (95% CI) | Adjustment factors |
|---|---|---|---|---|---|---|---|---|---|
A.Tavani | 2011 | Italy, Switzer-land | Case–control | – | Case: 1582 Control: 2231 | History of cholelithiasis | OR | 1.36(1.04,1.78) | Age, study center, year of interview, study period, education, alcohol drinking, tobacco smoking, and BMI |
F.Bravi | 2005 | Italy | Case–control | – | Case: 1294 Control: 1451 | History of gallstones | OR | 1.26(0.93,1.70) | Age, center, education, BMI, physical activity, tobacco smoking, alcohol consumption and family history of prostate cancer |
Qiang Li | 2010 | Japan | Cohort | 1995–2003 | 22,458 | History of cholelithiasis | HR | 1.72(1.12–2.66) | Age, hypertension, family history of cancer education level, marital status, BMI, time, spent, walking, smoking status, alcohol drinking, total energy intake per day, consumption of green tea, daily consumption of calcium and daily consumption of fish and dairy products |
Shabanzadeh | 2017 | Denmark | Cohort | 1892–2014 | 3017 | History of gallstone disease | HR | 0.67(0.35,1.30) | Age, sex, cohort number, BMI, non-high density lipoprotein cholesterol, high density lipoprotein cholesterol, smoking alcohol consumption, diet, physical activity level, social group |
Chien-Hua Chen | 2016 | Taiwan | Cohort | 1998–2011 | 47,479 | Gallbladder stone disease | HR | 1.30(1.22,1.39) | Age, occupation, urbanization level, comorbidity of hyperlipidemia, diabetes, hypertension, BPH, urinary stones, urinary tract infection, obesity, asthma, CAD,COPD, stroke, and antihypertensive medications |
Kim | 2004 | Koreans | Case–control | – | Case:184 Control: 267 | History of cholelithiasis | OR | 2.40(1.02,5.68) | – |