Table 1.
Characteristics of Veterans age 50 years or older with a diagnosis of osteoarthritis from 2001-2011, by race and ethnicity.
| Characteristic** | Full analytic sample (n=539,841) | Specialty clinic sub-sample (n=148,844)* | ||||
|---|---|---|---|---|---|---|
|
| ||||||
| White | Black | Hispanic | White | Black | Hispanic | |
| n=473,170 | n=50,172 | n=16,499 | n=123,956 | n=18,865 | n=6,023 | |
| (87.6%) | (9.3%) | (3.1%) | (83.3%) | (12.7%) | (4.0%) | |
| Age, % | ||||||
| 50-54 | 7.2 | 20.5 | 12.7 | 13.6 | 27.7 | 18.7 |
| 55-59 | 12.6 | 20.8 | 17.5 | 21.1 | 25.2 | 23.4 |
| 60-64 | 16.1 | 16.3 | 16.8 | 21.4 | 17.1 | 19.0 |
| 65-69 | 13.5 | 10.8 | 12.4 | 12.6 | 9.7 | 11.7 |
| 70-74 | 15.5 | 10.5 | 13.4 | 11.3 | 8.6 | 10.5 |
| ≥75 | 35.1 | 21.1 | 27.3 | 20.0 | 11.8 | 16.8 |
| Female, % | 2.2 | 3.1 | 1.5 | 2.8 | 3.9 | 2.1 |
| CCI, n % | ||||||
| 0 | 55.1 | 53.6 | 52.7 | 58.5 | 58.9 | 55.0 |
| 1-2 | 36.6 | 35.2 | 36.8 | 34.1 | 32.2 | 36.0 |
| ≥3 | 8.3 | 11.2 | 10.5 | 7.5 | 8.9 | 8.9 |
| Depressive disorder, % | 2.3 | 3.2 | 4.2 | 3.7 | 3.9 | 5.4 |
| Alcohol use disorder, % | 3.5 | 9.2 | 5.7 | 5.1 | 9.8 | 7.0 |
| Drug use disorder, % | 0.8 | 6.1 | 1.7 | 1.4 | 7.2 | 2.5 |
| PTSD, % | 4.6 | 8.9 | 8.5 | 7.5 | 10.4 | 12.1 |
| BMI, % | ||||||
| <18.5 | 0.7 | 1.7 | 0.9 | 0.4 | 0.9 | 0.3 |
| 18.5-24.9 | 17.4 | 21.3 | 18.1 | 13.7 | 17.0 | 13.0 |
| 25.0-29.9 | 39.0 | 33.7 | 39.8 | 35.9 | 32.8 | 38.3 |
| ≥30.0 | 40.0 | 40.5 | 39.5 | 47.7 | 46.6 | 46.7 |
| Missing | 2.9 | 2.8 | 1.7 | 2.3 | 2.6 | 1.7 |
| Pain intensity, % | ||||||
| No pain | 51.3 | 41.0 | 45.6 | 36.5 | 30.9 | 35.1 |
| Mild | 12.5 | 9.4 | 13.5 | 13.6 | 9.2 | 11.8 |
| Moderate | 15.1 | 16.7 | 14.2 | 20.1 | 18.9 | 17.5 |
| Severe | 9.6 | 19.0 | 13.4 | 14.9 | 24.3 | 18.9 |
| Missing | 11.4 | 13.9 | 13.4 | 15.0 | 16.8 | 16.6 |
| Days to TKA, Median | 1303 | 1465 | 1408 | 1224 | 1408 | 1326 |
| Years Follow Up, Median | 8 | 7 | 8 | 8 | 8 | 8 |
BMI=body mass index; CCI=Charlson Comorbidity Index; PTSD=post-traumatic stress disorder; TKA=total knee arthroplasty
*
Restricted to those in the full analytic sample who also consulted with an orthopedic surgeon or rheumatologist within the study timeframe.
**
All omnibus tests comparing white, black, and Hispanic groups were significant at p<0.001 in the full analytic sample and in the specialty clinic sub-sample.