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Table 1 The baseline characteristics of the elderly and control groups

From: How well do elderly patients do after total knee arthroplasty in the era of fast-track surgery?

 ≥80 years (n = 423)< 80 years (n = 215)Significance
Average age82.7 (80–93 +/− 2.5)69.3 (37–79 +/− 7.6)p < 0.01
Male: female1:31:3.1 
Pre-operative KSKS45.442.3p = 0.085
Pre-operative KSFA39.747.8p < 0.01
Charlson Comorbidity Index4.83.3p < 0.01