Table 4 Association between exposure to at least one air quality threshold exceedance of pollution and the occurrence of secondary pneumothorax.
Variables | OR (95% CI)* | P value† | Pcor value‡ |
|---|---|---|---|
PM10 (daily average 50 µg/m3) | |||
Lag 1 | 0.41 (0.11–1.49) | 0.17 | 1.00 |
Lag 2 | 0.54 (0.15–1.90) | 0.34 | 1.00 |
Lag 3 | 1.00 (0.35–2.88) | 1.00 | 1.00 |
Lag 4 | 0.96 (0.34–2.73) | 0.94 | 1.00 |
Entire exposure period¥ | 0.82 (0.38–1.78) | 0.62 | 1.00 |
O3 (8-h average 120 µg/m3) | |||
Lag 1 | 1.69 (0.71–4.02) | 0.23 | 0.68 |
Lag 2 | 1.77 (0.63–4.95) | 0.28 | 0.68 |
Lag 3 | 1.72 (0.58–5.08) | 0.33 | 0.68 |
Lag 4 | 0.91 (0.29–2.81) | 0.87 | 0.87 |
Entire exposure period | 1.36 (0.66–2.79) | 0.40 | 0.68 |