Research Article
Markov Chain-Based Acute Effect Estimation of Air Pollution on Elder Asthma Hospitalization
Table 6
Comparison of RR among Shanghai, Milan, and this study.
| | | PM2.5 | PM10 | SO2 | NO2 |
| | Shanghai (admission) [12] | Lag (increment) | — | Lag0-1 (60 μg/m3) | Lag0-1 (36 μg/m3) | Lag0-1 (29 μg/m3) | | RR (95% CI) | — | 1.88 (3.58, 7.35) | 4.79 (1.69, 11.27) | 9.38 (3.24, 15.51) |
| | This study (admission) | Lag (increment) | — | Lag0-1 (60 μg/m3) | Lag0-1 (36 μg/m3) | Lag0-1 (29 μg/m3) | | RR (95% CI) | — | 1.44 (−2.8, 5.86) | 25.81 (4.05, 52.12) | 7.11 (−2.5, 17.67) |
| | Milan (emergent visit) [23] | Lag (increment) | Lag0–2 (10 μg/m3) | Lag0–2 (10 μg/m3) | Lag0–2 (5 μg/m3) | Lag0–2 (10 μg/m3) | | RR (95% CI) | 3.30 (−4.40, 11.70) | 3.00(−3.60, 10.10) | 9.90(−15.40, 42.80) | 0.80(−4.30, 6.30) |
| | This study (admission) | Lag (increment) | Lag0-1 (10 μg/m3) | Lag0-1 (5 μg/m3) | Lag0-1 (10 μg/m3) | Lag0-1 (10 μg/m3) | | RR (95% CI) | 0.79 (−0.23, 1.82) | 0.49 (−0.27, 1.25) | 3.57 (0.55, 6.68) | 3.2 (−0.45, 6.98) |
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Abbreviations are the same as in Table 1. — indicates not mentioned. .
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