Table 1.
Baseline Characteristics of Included Patients Based on Anti-RBD IgG Titer Subgrouping
| Characteristics | Overall | Anti-RBD IgG <500 AU/mL (N=14) | Anti-RBD IgG >500 AU/mL (N=12) | p-value |
|---|---|---|---|---|
| Age (Years) | 59 (±17) | 58 (±17.6) | 60 (±17.4) | 0.96 |
| Male Gender | 13 (50%) | 5 (35.7%) | 8 (66.7%) | 0.24 |
| Race | ||||
| White | 19 (73.1%) | 9 (64.3%) | 10 (83.3%) | 0.55 |
| AA | 5 (19.2%) | - | - | |
| Other | 2 (7.7%) | - | - | |
| BMI | 33 (±7) | 34.5 (±7.1) | 31.5 (6.3%) | 0.46 |
| Tobacco Use | 10 (38.4%) | 5 (35.7%) | 5 (41.7%) | 1.00 |
| Diabetes | 8 (30.8%) | 5 (35.7%) | 3 (25.0%) | 0.87 |
| Hypertension | 17 (65.4%) | 8 (57.1%) | 9 (75.0%) | 0.59 |
| COPD | 2 (7.7%) | 2 (14.3%) | 0 | _- |
| Asthma | 6 (23.1%) | 3 (21.4%) | 3 (25%) | 1.00 |
| Coronary Artery Disease | 8 (30.8%) | 4 (28.6%) | 4 (33.3%) | 1.00 |
| Stroke | 3 (11.5%) | 1 (7.1%) | 2 (16.7%) | 0.89 |
| Prior Myocardial Infarction | 5 (19.2%) | 3 (21.4%) | 2 (16.7%) | 1.00 |
| Congestive Heart Failure | 4 (15.4%) | 2 (14.3%) | 2 (16.7%) | 1.00 |
| Chronic Kidney Disease | 8 (30.8%) | 4 (28.6%) | 4 (33.3%) | 1.00 |