Table 3.
Estimates for the relationship between a 10-μg/m3 change in PM2.5 and PM10 and histological cancer subtypes.
| Exposure and outcome | RR (95% CI) | n | Studies included (by ID)a |
|---|---|---|---|
| PM2.5 | |||
| Adenocarcinoma | 1.40 (1.07, 1.83) | 2,339 | 9, 10, 15 |
| Squamous cell carcinoma | 1.11 (0.72, 1.72) | 1,523 | 9, 15 |
| PM10 | |||
| Adenocarcinoma | 1.29 (1.02, 1.63) | 965 | 10, 15 |
| Squamous cell carcinoma | — | — | — |
| RR, meta-relative risk. Estimates are the result of random-effects meta-analysis. aStudies included in the analysis according to ID numbers listed in Table 1. | |||