Table 2.

Mean relative error (MRE) and standard derivation (SD) for the 32 Landmarks measured by each software

Landmark	MRE ± SD (mm)
	MyOrthoX	Angelalign	Digident	Average
G	0.65 ± 0.42	0.46 ± 0.54	0.45 ± 0.37	0.52 ± 0.46
Prn	0.84 ± 0.43	0.70 ± 1.21	2.43 ± 1.57	1.32 ± 1.41
Sn	0.55 ± 0.32	0.63 ± 0.71	0.71 ± 0.39	0.63 ± 0.51
Ls	0.89 ± 0.66	0.69 ± 0.83	0.57 ± 0.33	0.71 ± 0.66
Li	0.90 ± 0.49	0.60 ± 0.63	0.56 ± 0.29	0.69 ± 0.52
Si	1.26 ± 0.68	0.73 ± 0.68	1.10 ± 0.65	1.03 ± 0.71
Pog’	0.61 ± 0.35	0.58 ± 0.72	0.60 ± 0.37	0.60 ± 0.51
Gn’	0.68 ± 0.39	0.57 ± 0.62	0.60 ± 0.47	0.61 ± 0.50
Me’	0.78 ± 0.83	0.63 ± 0.56	0.64 ± 0.57	0.69 ± 0.67
C	0.93 ± 0.45	0.87 ± 0.76	0.82 ± 0.92	0.87 ± 0.74
Ba	0.81 ± 0.84	0.96 ± 0.97	0.82 ± 0.67	0.86 ± 0.84
S	0.73 ± 0.45	0.48 ± 0.34	0.67 ± 0.42	0.63 ± 0.42
N’	1.11 ± 0.70	0.80 ± 0.69	1.12 ± 0.63	1.01 ± 0.69
P	0.92 ± 0.59	1.48 ± 1.39	0.97 ± 0.67	1.12 ± 0.98
Or	1.05 ± 0.77	0.70 ± 0.48	0.99 ± 0.65	0.91 ± 0.66
ANS	2.06 ± 1.32	0.90 ± 0.99	2.16 ± 1.15	1.71 ± 1.29
PNS	0.65 ± 0.36	0.67 ± 0.52	0.66 ± 0.47	0.66 ± 0.46
Pt	1.42 ± 1.03	1.49 ± 1.24	1.15 ± 1.27	1.35 ± 1.19
Ptm	0.91 ± 0.86	0.64 ± 0.43	0.85 ± 1.32	0.80 ± 0.95
A	1.70 ± 0.93	1.06 ± 0.72	1.30 ± 0.59	1.35 ± 0.81
U1	0.82 ± 0.58	0.50 ± 0.70	1.00 ± 0.66	0.77 ± 0.68
UIA	2.39 ± 1.05	0.80 ± 0.48	1.31 ± 0.82	1.50 ± 1.05
C1	1.17 ± 0.67	0.74 ± 0.79	0.61 ± 0.41	0.84 ± 0.69
LIA	1.60 ± 0.81	0.85 ± 0.94	0.73 ± 0.53	1.06 ± 0.87
B	1.34 ± 0.65	0.70 ± 0.68	0.96 ± 0.54	1.00 ± 0.68
Pog	0.81 ± 0.47	0.57 ± 0.56	0.50 ± 0.28	0.63 ± 0.44
Gn	0.80 ± 0.74	0.50 ± 0.60	0.43 ± 0.29	0.57 ± 0.60
Me	0.79 ± 0.62	0.62 ± 0.56	0.47 ± 0.28	0.63 ± 0.53
Go	1.87 ± 1.38	1.20 ± 0.96	1.04 ± 1.71	1.37 ± 1.43
Ar	0.95 ± 0.63	1.19 ± 0.87	0.86 ± 0.54	1.00 ± 0.71
Pcd	1.04 ± 0.91	1.09 ± 0.93	0.97 ± 0.45	1.03 ± 0.80
Co	1.18 ± 0.80	1.10 ± 0.67	1.38 ± 0.74	1.22 ± 0.75
Average	1.11 ± 0.48	0.80 ± 0.26	0.97 ± 0.51	/