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Table 3 Comparisons of the postoperative variables between the AR and the PR groups

From: Posterior condylar offset changes and its effect on clinical outcomes after posterior-substituting, fixed-bearing total knee arthroplasty: anterior versus posterior referencing

VariableAR groupPR groupp-value
(n = 93)(n = 91)
PCO (mm)28.4 ± 3.527.4 ± 2.80.038
PCOR0.47 ± 0.040.47 ± 0.040.392
PCO changes (mm)0.22 ± 3.60 ± 2.40.567
PCOR changes0 ± 0.370 ± 0.250.988
ROM (°)129 ± 4.6122 ± 14.3< 0.001
WOMAC22.3 ± 9.817.1 ± 9.60.001
  1. Data are presented as the means and standard deviations (SD)
  2. Abbreviations: AR anterior referencing, PR posterior referencing, PCO posterior condylar offset, PCOR posterior condylar offset ratio, ROM range of motion, WOMAC Western Ontario and McMaster University osteoarthritis index