Skip to main content

Table 3 CT value and screw pull-out force measurements of planned trajectories

From: The accuracy and effectiveness of automatic pedicle screw trajectory planning based on computer tomography values: an in vitro osteoporosis model study

 

CT value (Hu)

Pull-out force (N)

Decalcification group (n = 10)

 Automatic planning (n = 5)a

2723.96 ± 165.83bc

1212.00 ± 143.42b

 Manual planning (n = 5)b

2167.28 ± 65.62ac

837.60 ± 133.05ac

Control group (n = 10)

 Manual planning (n = 10)c

2244.76 ± 97.45 ab

1244.32 ± 114.19b

  1. arepresents the P < 0.05 compared with the automatic planning of the decalcification group, brepresents the P < 0.05 compared with the manual planning of the decalcification group, and crepresents the P < 0.05 compared with the manual planning of the control group
Back to article page

BMC Musculoskeletal Disorders

ISSN: 1471-2474

Contact us