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Table 3 Error of virtual and real registration based on robot-assisted method (mm)

From: Optimization of virtual and real registration technology based on augmented reality in a surgical navigation system

GroupMark point on the real modelMark point on the virtual modelCoordinate errorError (mm)Average error (mm)p-value
XYZXYZXYZ
A− 40.23174.56− 1307.03− 38.16174.90− 1305.772.070.341.262.452.390.17
− 38.63175.67− 1305.531.601.111.502.46
− 38.75175.77− 1305.921.481.211.112.21
− 39.14176.61− 1306.331.092.050.702.42
B− 45.69192.38− 1346.24− 44.97191.34− 1345.010.721.041.232.362.52
− 47.02190.53− 1345.151.331.851.092.53
− 44.54194.09− 1347.671.151.711.432.51
− 47.43190.73− 1347.451.741.651.212.69
C− 1.91202.92− 1280.62− 2.98204.28− 1278.891.071.361.732.412.550.76
− 3.27203.55− 1278.361.360.632.262.71
− 2.94201.79− 1278.721.031.131.902.44
− 3.23202.32− 1282.791.320.602.172.61
D− 26.07149.31− 1328.60− 25.15151.39− 1328.220.922.080.382.312.58
− 27.53147.45− 1330.071.461.861.472.78
− 24.63147.92− 1330.411.441.391.812.57
− 26.65146.86− 1328.990.582.450.392.66