Meta-Analysis
Copyright ©The Author(s) 2016.
World J Hepatol. Dec 18, 2016; 8(35): 1584-1592
Published online Dec 18, 2016. doi: 10.4254/wjh.v8.i35.1584
Table 1 Baseline characteristics of patients from studies included in the analysis
Ref.Study designControls (n)Cases
nEthnicityM%Mean ageMean BMIrs 738409 genotype count (CC:CG:GG)4
FLHepatitisCirrhosisHCC
Cai et al[39] (2011)R-626C61.844.723.762:281---
Valenti et al[40] (2011)R179819C + NA56.457.424.8269:219:73-119:172:22917:21:12
Trépo et al[41] (2011)R-537C6349.425.5136:106:31-108:85:23-
Corradini et al[42] (2011)P6-221C6358-----
Nischalke et al[13] (2011)P190162C575628.4--45:31:0540:33:08
Valenti et al[43] (2012)P-567NS-------
Valenti et al[15] (2012)P6-602NS515125.1364:422-158:212-
Guyot et al[12] (2013)P-253NS54.256.727.3--140:75:3854:26:13
Ezzikouri et al[44] (2013)P132230NA45.263.63--47:71:11-43:35:23
Stättermayer et al[45] (2014)R-478NS65.744.925.6190:232-101:572-
Ampuero et al[46] (2014)P6-474M64.843.425.794:1263---
Sato et al[47] (2014)R-358A55.969.76-41:202-112:372100:176:82
Yasui et al[48] (2014)P6-276A40.658.22323:75:3945:66:3820:31:21-
Petta et al[14] (2015)P-434C53.951.7--40:35:1271:36:13-
Nakaoka et al[49] (2015 )P-231A44.662.922.5--90:27212:22:14
Tamaki et al[50] (2015)R-176A39.856.522.9--52:87:37-
Huang et al[51] (2015)R-1018A56.651.824.9175:205:75---
Petta et al[52] (2016)P6-694C535426.5151:151:455---
Ali et al[53] (2016)P-937M70.149.5---172:2123-
Summary501909357.652.725.1
Table 2 Newcastle - Ottawa Scale on quality score of the included studies
Ref.Selection
Comparability
Exposure
Total
Independent validationCase representationControls selectionControls definitionCase and control design/analysisAscertainment of exposureSame method of ascertainmentSame response rate
Cai et al[39] (2011)1121117
Valenti et al[40] (2011)111121119
Trépo et al[41] (2011)11215
Corradini et al[42] (2011)11215
Nischalke et al[13] (2011)111121119
Valenti et al[43] (2012)112116
Valenti et al[15] (2012)112116
Guyot et al[12] (2013)11215
Ezzikouri et al[44] (2013)111121119
Stättermayer et al[45] (2014)11215
Ampuero et al[46] (2014)1121117
Sato et al[47] (2014)11215
Yasui et al[48] (2014)11215
Petta et al[14] (2015)11215
Nakaoka et al[49] (2015 )11215
Tamaki et al[50] (2015)1121117
Huang et al[51] (2015)1121117
Petta et al[52] (2016)1121117
Ali et al[53] (2016)1121117