Table 1.
The odds ratio (95% confidence interval) of a different group of symptoms in relation to exposure to air pollution parameters (mean and max 24 h levels of PM10, PM2.5 and B(a)P) exceeding limits during a week before hospitalization in the studied group of COVID-19 patients hospitalized in Poland.
| Parameter | Respiratory symptoms | p | Systemic symptoms | P | Anosmia | p |
|---|---|---|---|---|---|---|
| Mean 24 PM10 | 1.4 (0.9–2.0) | >0.05 | 0.9 (0.7–1.4) | >0.05 | 0.9 (0.6–1.5) | >0.05 |
| Max 24 h PM10 | 1.0 (0.8–1.2) | >0.05 | 0.9 (0.8–1.1) | >0.05 | 0.9 (0.7–1.1) | >0.05 |
| Mean 24 h PM2.5 | 1.3 (1.1–1.5) | <0.01 | 0.9 (0.8–1.1) | >0.05 | 0.8 (0.7–1.0) | >0.05 |
| Max 24 h PM2.5 | 1.5 (1.3–1.7) | <0.001 | 0.9 (0.8–1.1) | >0.05 | 0.7 (0.6–0.8) | <0.001 |
| Mean 24 h B(a)P | 1.5 (1.3–1.7) | <0.001 | 1.1 (0.9–1.2) | >0.05 | 0.8 (0.7–1.0) | <0.05 |
| Max 24 h B(a)P | 1.4 (1.2–1.7) | <0.001 | 1.0 (0.9–1.2) | >0.05 | 0.8 (0.6–0.9) | <0.01 |