Table 1.

Translation accuracy

							Translation accuracy
Tibial segment			x-axis (lateral)				y-axis (distal)				z-axis (posterior)
A	B	C	D	E	F	G	D	E	F	G	D	E	F	G
Fracture fragment: 9 markers, condition number 76
A	9	79	0.017	0.012	± 0.007	0.022	–0.004	–0.005	± 0.006	0.012	0.025	0.027	± 0.007	0.029
B	9	68	–0.036	-0.036	± 0.015	0.047	0.036	0.044	± 0.008	0.040	–0.016	–0.013	± 0.018	0.038
C	9	51	–0.001	–0.003	± 0.008	0.015	–0.005	–0.006	± 0.008	0.016	0.090	0.096	± 0.013	0.094
D	9	107	–0.005	0.000	± 0.015	0.030	0.024	0.031	± 0.010	0.032	–0.044	–0.050	± 0.027	0.070
E	9	71	0.004	0.005	± 0.012	0.025	0.004	0.010	± 0.010	0.020	–0.048	–0.050	± 0.019	0.062
F	9	40	–0.003	–0.002	± 0.009	0.019	0.012	0.006	± 0.018	0.038	–0.003	0.002	± 0.007	0.014
Fracture fragment: 6 markers, condition number 94
A	6	96	0.014	0.009	± 0.007	0.020	0.010	0.010	± 0.005	0.014	0.023	0.023	± 0.007	0.027
B	6	103	–0.028	–0.032	± 0.017	0.044	0.086	0.090	± 0.011	0.089	–0.009	–0.001	± 0.019	0.040
C	6	66	0.007	0.007	± 0.008	0.017	0.015	0.012	± 0.016	0.035	0.081	0.082	± 0.014	0.085
D	6	130	–0.005	0.014	± 0.019	0.039	0.025	0.029	± 0.010	0.032	–0.011	–0.008	± 0.033	0.068
E	6	121	0.028	0.029	± 0.013	0.039	–0.009	–0.006	± 0.009	0.019	–0.009	–0.011	± 0.017	0.044
F	6	50	–0.007	–0.002	± 0.010	0.021	0.005	–0.001	± 0.018	0.037	–0.005	–0.004	± 0.007	0.015
Fracture fragment: 3 markers, condition number 141
A	3	148	0.019	0.015	± 0.007	0.024	0.001	–0.001	± 0.006	0.011	0.022	0.024	± 0.007	0.026
B	3	134	–0.107	–0.139	± 0.034	0.127	0.094	0.088	± 0.015	0.099	0.006	0.013	± 0.032	0.066
C	3	133	0.011	0.010	± 0.008	0.018	–0.005	–0.006	± 0.008	0.016	0.060	0.061	± 0.032	0.072
D	3	180	0.002	–0.002	± 0.045	0.091	0.085	0.083	± 0.013	0.088	0.097	0.100	± 0.016	0.102
E	3	169	0.022	0.022	± 0.016	0.039	–0.010	–0.009	± 0.011	0.025	0.019	0.025	± 0.035	0.075
F	3	127	–0.046	–0.050	± 0.012	0.052	–0.021	–0.027	± 0.016	0.038	0.008	0.015	± 0.013	0.027

A Reference

B Number of markers

C Condition number

D Mean

E Median

F 95% confidence interval

G Root mean square error