Table 2.

Implant size Actual component compared to the predicted RA-TKA.

Site of surgery	Predicted	Actual component	P value
Femoral Median (IQR)	3 (2–4)	3 (2–3)	0.257
Proportion of Femoral prediction	1013/1020 (99.3%)
Tibia Median (IQR)	2 (1–3)	2 (1–3)	0.134
Proportion of Tibia prediction	1007/1020 (98.7%)
Polyethylene Mean ± SD	9.48 ± 0.91	9.49 ± 0.94	*0.346
Proportion of Polyethylene prediction	1010/1020 (99.0%)
Total	1020	1020

Note: p value based on Wilcoxon signed rank test, *P value based on paired t-test.