Table 1 Distribution of disease severity, anti-ACE2 autoantibody and CR antibody positive rate in COVID-19 patients with vaccination (Vac) or without (UnVac)
Demographic | UnVac (n = 31) | Vac (n = 89) | P valuea |
|---|---|---|---|
Disease severity |  |  |  < 0.0001 |
 Mild | 4 (12.9%) | 63 (70.8%) |  |
  Positive for Anti-ACE2 autoAb | 1 (25%) | 7 (11.1%) | ns |
  Positive for CR Ab | 0 | 1 (1.6%) | ns |
 Moderate/Severe | 27 (87.1%) | 26 (29.2%) |  |
  Positive for Anti-ACE2 autoAb | 18 (66.7%) | 7 (26.9%) | 0.058 |
  Positive for CR Ab | 9 (33.3%) | 1 (3.8%) | 0.011 |