Table 1 Patient demographics
From: Retrospective study on effectiveness of Activ L total disc replacement
Patient demographics | |
|---|---|
Sample size | 87 |
Age (years) | 44.20 ± 10.14 |
Male/female | 48/39 |
Body mass index | 24.34 ± 4.12 |
Pre-operative ODI, % | 40.79 ± 1.80 |
Pre-operative VAS (back) | 7.21 ± 0.69 |
Pre-operative VAS (leg) | 7.15 ± 0.83 |
Affected segment | |
L3–4 | 3 |
L4–5 | 48 |
L5–S1 | 15 |
L3–L5 | 3 |
L4–S1 | 18 |