Table 1.
Clinical characteristics of the study participants
| Controls | Long-COVID Participants | MCAS Patients | |
|---|---|---|---|
| Sample size (N) | 136 | 136 | 80 |
| Females, N (%) | 89 (65.4%) | 122 (89.7%) | 68 (85.0%) |
| Males, N (%) | 47 (34.6%) | 14 (10.3%) | 11 (13.8%) |
| Age, Mean (SD) | 49.2 (15.5) | 46.9 (12.9) | 47.7 (16.4) |
| BMI, Mean (SD) | 25.5 (4.6) | 28.2 (8.4) | 25.9 (6.7) |
| Race: (%) | |||
| White | 93.3% | 88.2% | 96.3% |
| Asian | 2.2% | 1.5% | 0% |
| Black | 2.2% | 2.9% | 0% |
| Native American | 0.0% | 0.0% | 1.3% |
| Hispanic | 0.0% | 0.0% | 1.3% |
| Other | 2.2% | 7.4% | 1.3% |
Abbreviations: BMI, body mass index, kg/m2; MCAS, mast cell activation syndrome; N, number; SD, standard deviation.