Table 3.
Multivariate analyses: association between COVID-19-related symptomaticity, hospitalization and death in secondary cases and diagnostic Ct value of the index cases adjusted for relevant variables.
| Variable | aOR | p |
|---|---|---|
| Symptomatic COVID-19 in swab-positive secondary cases (R-squared 19.8%) | ||
| Ct value of the index case adjusted for the time from COVID-19 onset to the diagnostic swab | 1.00 (0.99–1.01) | 0.950 |
| Age of secondary cases | 1.07 (0.99–1.14) | 0.055 |
| Sex of secondary cases | 3.60 (0.62–6.01) | 0.126 |
| COVID-19-related hospitalization in swab-positive secondary cases (R-squared 26.3%) | ||
| Ct value of the index case adjusted for the time from COVID-19 onset to the diagnostic swab | 1.00 (0.99–1.01) | 0.625 |
| Age of secondary cases | 1.06 (1.02–1.10) | 0.004 |
| Sex of secondary cases | 1.95 (0.57–6.62) | 0.285 |
| COVID-19-related death in swab-positive secondary cases (R-squared 43.1%) | ||
| Ct value of the index case adjusted for the time from COVID-19 onset to diagnostic swab | 0.99 (0.98–1.01) | 0.306 |
| Age of secondary cases | 1.13 (1.01–1.26) | 0.030 |
| Sex of secondary cases | 1.34 (0.15–11.74) | 0.792 |
| COVID-19-related hospitalization in swab-positive plus likely positive secondary cases (R-squared 32.1%) | ||
| Ct value of the index case adjusted for the time from COVID-19 onset to the diagnostic swab | 1.00 (0.99–1.01) | 0.605 |
| Age of secondary cases | 1.07 (1.03–1.11) | <0.001 |
| Sex of secondary cases | 1.78 (0.53–5.97) | 0.349 |
| COVID-19-related death in swab-positive plus likely positive secondary cases (R-squared 46.3%) | ||
| Ct value of the index case adjusted for the time from COVID-19 onset to the diagnostic swab | 0.99 (0.98–1.01) | 0.308 |
| Age of secondary cases | 1.14 (1.02–1.27) | 0.021 |
| Sex of secondary cases | 1.23 (0.14–10.75) | 0.851 |