Table 2.
Demographic Characteristics of Subject Cohort
| Value | Patients N= 218 |
Controls N = 30 |
Significance | |
|---|---|---|---|---|
| Age mean (SD) | 46.8 (9.5) | 37.6 (9.3) | p < .001 | |
| Gender (% male) | 140 (64.2%) | 17 (56.7%) | NS | |
| Race (%) | NS | |||
| Caucasian | 124 (57%) | 24 (80%) | ||
| African-American | 49 (23%) | 3 (10%) | ||
| Hispanic | 24 (11%) | 2 (6.7%) | ||
| Asian | 2 (1%) | 1 (3.3%) | ||
| Other | 4 (2%) | 0 (0%) | ||
| Time from injury to program admission in months (mean/SD) | 28.4 (34.7) | n/a | ||
| Pre-rehab Lumbar fusions n (%) | 57 (25.8%) | n/a | ||
| Working at admission n (%) | 17 (8.5%) | n/a | ||
| Pain Intensity VAS mean (SD) range | 7.1 (1.6) 2–10 | n/a | ||
| Million visual analog disability scale29 mean (SD) range | 106.3 (17.6) 27–146 | n/a | ||
| Tampa Scale for Kinesiophobia30 mean (SD) range | 33.8 (7.2) 15–49 | n/a | ||
| Beck depression inventory31 mean (SD) range | 22.9 (12.2) 2–80 | n/a | ||