Table 1 Mean demographic values of patient population
From: High grade isthmic spondylolisthesis; can reduction always re-align the unbalanced pelvis?
Age | 15.61 years (10–18) |
Sex | 19 F (67,9%), 9 M (32,1%) |
Grade III° SL | 12 (42,8%) |
Grade IV° SL | 16 (57,2%) |
Posterior instrumentation with PLIF | 4 (14,3%) |
Posterior instrumentation with TLIF | 6 (21,4%) |
Only anterior stabilization | 1 (3,5%) |
Posterior and anterior stabilization | 4 (14,3%) |
-Anterior L5-S1 screw | 2 (7,1%) |
-ALIF | 1 (3,5%) |
-Autologous bone only | 1 (3,5%) |
Sonly posterior pedicle screw instrumentation | 15 (53,5%) |
L5-S1 fusion | 19 |
L4-S1 fusion | 9 |