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

Table 2

Comparison of patients’ operative parameters.

Parameters	FH group ()	RA group ()
EBL (ml)			0.03
Surgical duration (min)			0.15
Radiation dosage (mGy/screw)			0.01
Fusion rate, unfused/fused (%)	1/13 (92.9)	0/11 (100)	0.37

Data are presented as or number (%) unless otherwise indicated. EBL: estimated blood loss. was considered to be statistically significant.