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Table 1 Demographics and anatomical characteristics

From: Safety and risk factors of TINAVI robot-assisted percutaneous pedicle screw placement in spinal surgery

Variables

N = 72

Mean age (year)

50.17 ± 10.93

Gender

 Male

32 (44.4%)

 Female

40 (55.6%)

Body mass index (m/kg2)

23.54 ± 3.98

Diagnosis

 Fracture

34 (47.2%)

 Lumbar disk hernia

24 (33.3%)

 Lumbar canal stenosis

2 (2.8%)

 Spondylolisthesis (grade I)

7 (9.7%)

 Mild degenerative scoliosis

5 (6.9%)