From: Comparison of accuracy and safety between second-generation TiRobot-assisted and free-hand thoracolumbar pedicle screw placement
Variable
RA group
FH group
P value
Number of patients
40
Age (years)
58.68 ± 11.64
60.78 ± 7.78
0.346
Male/Female
17/23
14/26
0.491
Body mass index (kg/m2)
26.50 ± 5.14
25.78 ± 3.20
0.453