Open Access

Table 1

Mean absolute difference of CT measurements and each navigation system.

CT measurements
Mean absolute difference vs INS
Mean absolute difference vs ONS
Inclination Anteversion Inclination Anteversion Inclination Anteversion
Total 41.2 (3.5) 18 (3.6) 2.1 (2.3) 2.4 (2.1) 3.0 (2.8) 4.5 (3.2)
Anterior 41.7 (3.3) 19.5 (3.4) 1.9 (1.8) 2.0 (1.6) 3.0 (2.6) 3.6 (3.0)
Posterior 40.6 (3.6) 16.4 (3.1) 2.3 (2.8) 2.7 (2.5) 2.9 (3.1) 5.3 (3.3)

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