From: Factors associated with non-fusion after direct pars repair of lumbar spondylolysis with pedicle screw and lamina hook: a clinical and CT-assessed study
Age (years)
21.1 ± 6.3 (9–35)
Sex
38 males, 17 females
Spondylolysis level distribution
L3
1 patient
L4
8 patients
L5
42 patients
L3 and L5
3 patients
L3, L4 and L5
BMI
23.8 ± 3.2
Follow-up time (months)
24.8 ± 12.0 (12–64)