Descriptive analysis of the main variables used in the study
| Variables | Mean (SD) | Minimum | Maximum |
|---|---|---|---|
| *Hospital admission (HA); different from non-burning period (p<0.001, Mann–Whitney U test). | |||
| †Minimum temperature. | |||
| ‡Mean relative humidity. | |||
| Asthma (HA)* | |||
| Total | 1.3 (1.3) | 0 | 7 |
| Burning* | 1.5 (1.4) | 0 | 7 |
| Non-burning | 0.96 (1.2) | 0 | 4 |
| TSP (μg/m3) | |||
| Total | 46.8 (26.4) | 6.7 | 137.8 |
| Burning* | 56.86 (25.07) | 8.1 | 137.8 |
| Non-burning | 28.45 (17.53) | 6.7 | 99.9 |
| Temperature (°C)† | 16 (3.5) | 2 | 26 |
| Humidity (%)‡ | 62 (14.5) | 20.5 | 93.3 |