Table 3.
BCG status and hospitalization among cases of COVID-19.
| Hospitalized cases/Total cases (%) n = 77/920 |
Crude odds ratio (95% CI) |
Adjusted odds ratio (95% CI) a |
|
|---|---|---|---|
| BCG received | |||
| Never | 31/424 (7.3) | 1.00 | 1.00 |
| Ever | 46/496 (9.3) | 1.30 (0.81–2.10) | 1.04 (0.57–1.90) |
| Number of BCG doses | |||
| 0 | 31/424 (7.3) | 1.00 | 1.00 |
| 1 | 35/382 (9.2) | 1.28 (0.77–2.13) | 1.04 (0.55–1.95) |
| ≥2 | 11/114 (9.5) | 1.35 (0.63–2.71) | 1.05 (0.42–2.45) |
| Age at BCG, years | |||
| Unvaccinated | 31/424 (7.3) | 1.00 | 1.00 |
| 0–1 | 29/340 (8.5) | 1.18 (0.69–2.01) | 1.14 (0.60–2.16) |
| 2–9 | 12/119 (10.1) | 1.42 (0.68–2.80) | 0.83 (0.32–2.01) |
| ≥10 | 5/37 (13.5) | 1.98 (0.64–5.06) | 0.83 (0.12–3.36) |
Abbreviations: BCG: Bacillus Calmette-Guérin; CI: confidence interval; COVID-19: coronavirus disease 2019.
a
Adjusted for sex, age, recruitment hospital, material deprivation quintile, occupation (healthcare worker vs other), residence area (rural vs urban).