Table 1.

Characteristics of the participating patients.

	Training set	Validation set	Test set
Total no. of patients	200	50	200
No. of male patients	73	20	75
No. of female patients	127	30	125
Mean age (year)	56.47	57.68	54.09
Age range (year)	12–88	21–77	11–89
Leg length (mm)	803.98 ± 60.32	805.95 ± 62.39	836.66 ± 61.94
Femoral length (mm)	457.76 ± 76.36	457.39 ± 45.89	474.34 ± 56.33
Tibial length (mm)	363.79 ± 29.61	363.58 ± 38.90	363.35 ± 29.65