Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Demographic and clinical characteristics.
| Characteristic | Value |
|---|---|
| Number of patients | 206 |
| Sex | |
| Male | 115 (55.8%) |
| Female | 91 (44.2%) |
| Age (year)∗ | 61.0 ± 12.9 |
| Months of follow-up∗ | |
| Imaging | 40.7 ± 19.7 |
| Clinical | 51.1 ± 20.8 |
| Number of instrumented levels | |
| 1 level | 86 (41.7%) |
| L2-3 | 2 |
| L3-4 | 7 |
| L4-5 | 61 |
| L5-S1 | 16 |
| 2 levels | 120 (58.3%) |
| L2-3-4 | 4 |
| L3-4-5 | 86 |
| L4-5-S1 | 30 |
∗Values are presented by mean ± SD.
