Table 2.
Ratio of relative risks for estimates of respiratory outcomes associated with wildfire smoke exposure, stratified by sex.
| Study | Visit Type | Age | Lag | Female:Male | ||
|---|---|---|---|---|---|---|
| RR | 95% CI | I 2 | ||||
| All Respiratory | ||||||
| Gan et al. 2017 | ED | Adult (15–64) | none | 0.998 | (0.947, 1.052) | |
| Liu et al. 2017 | ED | Elderly (65+) | none | 0.929 | (0.786, 1.097) | |
| Rappold et al. 2011 | ED | Ages 19+ | 0–5 | 1.124 | (0.764, 1.654) | |
| Reid et al. 2016 | ED | All ages | 0–2 | 1.018 | (0.995, 1.041) | |
| Tinling et al. 2016 | ED | Adult (18–64) | 0–2 | 1.029 | (0.939, 1.128) | |
| Meta-RRR: | 1.015 | (0.994, 1.035) | 0.0% | |||
| Asthma | ||||||
| Delfino et al. 2008 | Hospital | Adult (20–64) | none | 1.056 | (1.000, 1.114) | |
| Gan et al. 2017 | ED | Adult (15–64) | none | 0.998 | (0.895, 1.113) | |
| Rappold et al. 2011 | ED | Ages 19+ | 0–5 | 1.900 | (0.941, 3.838) | |
| Reid et al. 2016 | ED | All | 0–2 | 1.039 | (1.014, 1.065) | |
| Tinling et al. 2016 | ED | Adult (18–64) | 0–2 | 0.919 | (0.796, 1.060) | |
| Meta-RRR: | 1.038 | (1.016, 1.060) | 38.5% | |||
| COPD | ||||||
| Gan et al. 2017 | ED | Adult | none | 1.075 | (0.954, 1.212) | |
| Rappold et al. 2011 | ED | All | 0–5 | 0.594 | (0.214, 1.648) | |
| Reid et al. 2016 | ED | All | 0–2 | 1.017 | (0.992, 1.023) | |
| Tinling et al. 2016 | ED | Adult | 0–2 | 1.017 | (0.981, 1.055) | |
| Meta-RRR: | 1.018 | (1.003, 1.032) | 0.0% | |||
| Pneumonia | ||||||
| Gan et al. 2017 | ED | Adult | none | 0.987 | (0.892, 1.091) | |
| Rappold et al. 2011 | ED | All | 0–5 | 0.877 | (0.468, 1.645) | |
| Reid et al. 2016 | ED | All | 0–2 | 1.005 | (0.979, 1.032) | |
| Meta-RRR: | 1.004 | (0.978, 1.030) | 0.0% | |||
RRR: Ratio of Relative Risk.