{"Study":"Wykman (1991)","Study_type":"RCT","N_of_revisions":8,"Total_cemented":90,"N_of_revisions_uncemented":14,"Total_uncemented":94,"Relative_risks_computed":0.6,"L95CI":0.26,"U95CI":1.35,"mean_age":66.1,"proportion_of_women":0.5,"Follow_up":5}
{"Study":"Reigstad (1993)","Study_type":"RCT","N_of_revisions":0,"Total_cemented":60,"N_of_revisions_uncemented":2,"Total_uncemented":60,"Relative_risks_computed":0.2,"L95CI":0.01,"U95CI":4.08,"mean_age":64.5,"proportion_of_women":0.7,"Follow_up":5}
{"Study":"McCombe (2004)","Study_type":"RCT","N_of_revisions":0,"Total_cemented":84,"N_of_revisions_uncemented":4,"Total_uncemented":78,"Relative_risks_computed":0.1,"L95CI":0.01,"U95CI":1.89,"mean_age":67.4,"Follow_up":8}
{"Study":"Bjorgul (2010)","Study_type":"RCT","N_of_revisions":9,"Total_cemented":120,"N_of_revisions_uncemented":4,"Total_uncemented":120,"Relative_risks_computed":2.25,"L95CI":0.71,"U95CI":7.11,"mean_age":65.5,"proportion_of_women":0.7,"Follow_up":10}
{"Study":"Corten (2011)","Study_type":"RCT","N_of_revisions":48,"Total_cemented":124,"N_of_revisions_uncemented":31,"Total_uncemented":126,"Relative_risks_computed":1.57,"L95CI":1.08,"U95CI":2.29,"mean_age":64,"proportion_of_women":0.5,"Follow_up":7}
{"Study":"Kim (2011)","Study_type":"RCT","N_of_revisions":17,"Total_cemented":114,"N_of_revisions_uncemented":22,"Total_uncemented":114,"Relative_risks_computed":0.77,"L95CI":0.43,"U95CI":1.38,"mean_age":45.1,"proportion_of_women":0.2,"Follow_up":20}
{"Study":"Angadi (2012)","Study_type":"RCT","N_of_revisions":17,"Total_cemented":183,"N_of_revisions_uncemented":11,"Total_uncemented":104,"Relative_risks_computed":0.88,"L95CI":0.43,"U95CI":1.8,"mean_age":70.2,"proportion_of_women":0.6,"Follow_up":10}
{"Study":"Hailer (2010)","Study_type":"Registry","N_of_revisions":9689,"Total_cemented":161460,"N_of_revisions_uncemented":1343,"Total_uncemented":8953,"Relative_risks_computed":0.67,"L95CI":0.62,"U95CI":0.71,"proportion_of_women":0.6,"Follow_up":10}
{"Study":"Makela (2011)","Study_type":"Registry","N_of_revisions":197,"Total_cemented":1535,"N_of_revisions_uncemented":60,"Total_uncemented":579,"Relative_risks_computed":0.85,"L95CI":0.62,"U95CI":1.16,"mean_age":65,"proportion_of_women":0.8,"Follow_up":15}
{"Study":"Pennington (2013)","Study_type":"Registry","N_of_revisions":216,"Total_cemented":16882,"N_of_revisions_uncemented":420,"Total_uncemented":18845,"Relative_risks_computed":0.6,"L95CI":0.55,"U95CI":0.66,"mean_age":70.2,"proportion_of_women":0.4,"Follow_up":5}
{"Study":"Clohisy (2001)","Study_type":"Cohort","N_of_revisions":1,"Total_cemented":45,"N_of_revisions_uncemented":2,"Total_uncemented":45,"Relative_risks_computed":0.5,"L95CI":0.05,"U95CI":5.32,"mean_age":61.5,"proportion_of_women":0.5,"Follow_up":10}
{"Study":"Kim (2003)","Study_type":"Cohort","N_of_revisions":7,"Total_cemented":42,"N_of_revisions_uncemented":8,"Total_uncemented":45,"Relative_risks_computed":0.94,"L95CI":0.37,"U95CI":2.36,"mean_age":46.8,"proportion_of_women":0.4,"Follow_up":10}
{"Study":"Kruckhans (2004)","Study_type":"Cohort","N_of_revisions":10,"Total_cemented":200,"N_of_revisions_uncemented":26,"Total_uncemented":200,"Relative_risks_computed":0.38,"L95CI":0.19,"U95CI":0.78,"mean_age":63.7,"proportion_of_women":0.5,"Follow_up":5}
{"Study":"Pospula (2008)","Study_type":"Cohort","N_of_revisions":2,"Total_cemented":87,"N_of_revisions_uncemented":1,"Total_uncemented":96,"Relative_risks_computed":2.21,"L95CI":0.2,"U95CI":23.9,"mean_age":50.2,"proportion_of_women":0.6,"Follow_up":5}
{"Study":"Hartofilakidis (2009)","Study_type":"Cohort","N_of_revisions":14,"Total_cemented":50,"N_of_revisions_uncemented":18,"Total_uncemented":51,"Relative_risks_computed":0.79,"L95CI":0.4,"U95CI":1.42,"mean_age":42.5,"proportion_of_women":0.6,"Follow_up":10}