Table 3.

Intraclass correlation coefficients of the measured values of the circumferences of the thigh by 2 independent observers.

Measurement	Estimate	Lower bound 95%	Upper bound 95%
Before surgery, cm
(1) Superior border of the patella	0.974	0.955	0.985
(2) 5 cm above the superior border of the patella	0.958	0.928	0.988
(3) 10 cm above the superior border of the patella	0.948	0.912	0.970
(4) 15 cm above the superior border of the patella	0.949	0.913	0.970
1 day after surgery, cm
(1) Superior border of the patella	0.966	0.942	0.980
(2) 5 cm above the superior border of the patella	0.965	0.941	0.979
(3) 10 cm above the superior border of the patella	0.964	0.922	0.973
(4) 15 cm above the superior border of the patella	0.931	0.887	0.959
7 days after surgery, cm
(1) Superior border of the patella	0.945	0.908	0.967
(2) 5 cm above the superior border of the patella	0.936	0.895	0.961
(3) 10 cm above the superior border of the patella	0.927	0.879	0.956
(4) 15 cm above the superior border of the patella	0.965	0.941	0.979