Retrospective Study
Copyright ©The Author(s) 2015.
World J Orthop. Jan 18, 2015; 6(1): 137-144
Published online Jan 18, 2015. doi: 10.5312/wjo.v6.i1.137
Table 4 Pre-total knee arthroplasty comparison of the different study groups
BMI (kg/m2)25-29.9 (Overweight)30-34.9 (Stage I)35-39.9 (Stage II)40 (Stage III)P value
Gender (percent male)596/798 (42.7%)368/593 (38.3%)116/316 (26.8%)33/84 (28.2%)
Age at the time of Arthroplasty (yr)68.2 ± 9.765.9 ± 9.364.2 ± 9.262.8 ± 7.0< 0.001
Hospital for Special Surgery Score55.7 ± 13.154.2 ± 13.350.6 ± 12.949.3 ± 13.8< 0.001
Weight (kg)79.9 ± 9.992.9 ± 11.5103.7 ± 13.3119.6 ± 16.5< 0.001