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Table 1 The baseline characteristics of included studies

From: Effect of femoral posterior condyle offset on knee joint function after total knee replacement: a network meta-analysis and a sequential retrospective cohort study

First author Year Country Interventions Total Sample size Age (years) PMID Type of study
T1 T2 T3 T4 T1 T2 T3 T4 T1 T2 T3 T4
Seo SS [20] 2009 Korea A B C D 111 31 54 20 6 66.2 (52–72) 66.2 (52–72) 66.2 (52–72) 66.2 (52–72) 19835308 Corhot study
Geijsen GJ [21] 2014 Germany A D 27 16 11 67 ± 9.6 67 ± 9.6 23677140 Corhot study
Wang JT [22] 2015 China B D 89 31 58 62.14 ± 5.37 61.07 ± 5.74 26777708 Corhot study
Degen RM [23] 2017 England A D 391 245 146 76 ± 9 76 ± 9 29183086 Corhot study
Lee OS [24] 2018 Korea B C 211 104 107 72.1 ± 7.1 71.9 ± 7 29195851 Corhot study
  1. A, The change of PCO decrease of 2 mm or more. B, The change of PCO decrease by 0 mm to 2 mm. C, The change of PCO increase by 0 mm to 2 mm. D, The change of PCO increase by 2 mm or more. RCT randomized controlled trial
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