Accuracy and Safety of Robot-Assisted versus Fluoroscopy-Guided Posterior C1 Lateral Mass and C2 Pedicle Screw Internal Fixation for Atlantoaxial Dislocation: A Preliminary Study.

Reassuringly, the duration of surgery in the RA group showed a decreasing trend as more surgeries were performed, suggesting a learning curve effect, which was confirmed by linear regression ( R 2 = 0.6367; Figure 2 ).

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