Table 4 Comparison of total IgG levels in secretions and different mucosal compartments by severity of prior disease, µg/mL.
From: Mucosal immunity in health care workers’ respiratory tracts in the post-COVID-19 period
Group sample type | Severe disease | Moderate-to-severe disease | Mild/asymptomatic disease | No history of COVID-19 |
|---|---|---|---|---|
Oropharynx | 0.012 (0.008; 0.101) | 0.014 (0.009; 0.0154) | 0.009 (0.007; 0.068) | 0.008 (0.007; 0.034) |
Nasopharynx | 0.040 (0.018; 0.259)* | 0.023 (0.009; 0.084)** | 0.208 (0.047; 0.366) | 0.115 (0.027; 0.175) |
Induced sputum | 0.082 (0.057; 0.209)** | 0.096 (0.069; 0.139)** | 0.078 (0.042; 0.097) * | 0.018 (0.005; 0.057) |
Salivary gland secretions | 0.182 (0.107; 0.640)* | 0.079 (0.012; 0.168) | 0.070 (0.025; 0.135) | 0.053 (0.018; 0.1240) |