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Table 1 Comparisons of the patient demographics and preoperative 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)
Sex, Female64 (94%)54 (87%)0.550
Age (years)73 ± 6.171 ± 6.00.008
BMI (kg/m2)26.5 ± 3.626.5 ± 3.60.494
PCO (mm)28.1 ± 3.627.4 ± 2.80.126
PCOR0.47 ± 0.040.47 ± 0.030.394
ROM (°)120 ± 17.1120 ± 16.60.804
WOMAC44.2 ± 15.938.0 ± 12.60.038
  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, BMI body mass index