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Patient characteristics.
| Age (years ± SD) | 56.6 ± 15 |
|---|---|
| Gender | |
| Male | 233 (34.8%) |
| Female | 437 (65.2%) |
| Body mass index (±SD) | 30.6 ± 23 |
| Comorbidities | |
| Pregnancy | 11 (1.6%) |
| Gout | 179 (26.7%) |
| Hypothyroidism | 329 (49.1%) |
| Diabetes mellitus | 281 (41.9%) |
| Hypertension | 152 (22.6%) |
| Rheumatoid arthritis | 47 (7.0%) |
| Ethnicity | |
| Caucasian | 475 (70.8%) |
| African American | 156 (23.2%) |
| Other | 39 (5.8%) |
