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. Author manuscript; available in PMC: 2018 Jun 18.
Published in final edited form as: Orthod Craniofac Res. 2017 Jun;20(Suppl 1):119–124. doi: 10.1111/ocr.12178

TABLE 2.

Error Statistics for Linear Measurements

Distances True mean (mm) Measured mean (mm) P values MAD (mm) REM (%) RMSE (mm)
Alar Base 24.80 24.38 .58 0.42 1.20 0.28
ExoCD 102.73 100.62 .41 2.11 0.90 0.85
InterCD 38.44 38.63 .55 0.19 2.50 0.71
N_B 72.60 72.45 .69 0.16 0.50 0.34
N_Ll 63.86 64.05 .42 0.19 1.10 0.60
N_Me 104.54 101.11 .15 3.44 0.20 0.16
N_Pg 86.95 85.31 .25 1.64 0.10 0.05
N_Prn 25.57 25.56 .70 0.02 1.50 0.34
N_Ul 48.45 47.67 .35 0.78 1.70 0.71
RtLtCuspidB 9.57 10.06 .57 0.49 3.60 0.36
RtLt_Ch 44.76 45.60 .61 0.84 1.40 0.52
Tr_B 111.50 111.73 .74 0.23 0.10 0.08
Tr_Ll 108.86 108.13 .85 0.73 0.70 0.70
Tr_Me 112.78 108.69 .12 4.09 0.40 0.46
Tr_N 108.75 109.70 .68 0.95 0.00 0.05
Tr_Pg 112.79 110.41 .27 2.39 0.10 0.16
Tr_Prn 108.04 107.42 .58 0.63 1.30 1.35
Tr_RtCuB 103.06 102.15 .52 0.92 0.20 0.15
Tr_RtCh 80.88 81.06 .44 0.17 0.40 0.36
Tr_Sn 105.56 105.82 .73 0.26 0.70 0.68
Tr_Ul 107.78 108.12 .51 0.34 1.60 1.59

MAD, mean absolute difference; REM, relative error magnitude; RMSE, root mean square error