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Table 2 Accuracy classification for screw trajectory

From: Accuracy and safety of robot-assisted cortical bone trajectory screw placement: a comparison of robot-assisted technique with fluoroscopy-assisted approach

Grade RG (n = 172) FH (n = 204) P
0 160 169 0.003*
1 8 20 0.058
2 4 15 0.027*
  1. *P < 0.05. Statistically significant differences between the two groups