Table 1.
Baseline Characteristics.
| Age (Median, range) | 73.5 (51–87) |
|---|---|
| Sex | |
| Female | 3 |
| Male | 97 |
| Race | |
| White | 79 |
| African American | 17 |
| Other | 3 |
| missing | 1 |
| Seropositivity | |
| RF | 6 |
| Anti-CCP | 12 |
| Both RF and CCP | 44 |
| Seronegative | 38 |
| Comorbidities | |
| Diabetes mellitus | 39 |
| Coronary artery disease | 23 |
| Hypertension | 72 |
| Obesity | 42 |
| On ACE inhibitors | |
| Yes | 45 |
| No | 55 |
| Rheumatoid arthritis Medications | |
| cDMARD (HCQ, MTX, SSZ, LEF) | 43 |
| Biologic DMARD (Adalimumab, Etanercept, Abatacept, Rituximab) | 16 |
| sDMARD (tofacitinib) | 2 |
| cDMARD + bDMARD | 35 |
| Prednisone | 6 |
| Compliance to Medications | |
| Yes | 95 |
| No | 5 |
| Arthritis Symptom control | |
| Good | 72 |
| Fair | 25 |
| Poorly Controlled | 3 |
| Stopped Immunosuppressive medications before or after vaccine | |
| Yes | 10 |
| No | 90 |
*HCQ: Hydroxychloroquine, MTX: Methotrexate, SSZ: Sulfasalazine, LEF: Leflunomide.