Air pollution | Incidence | Heterogeneity | ||
NO. | OR (95% CI) | I2 (%) | P | |
PM2.5 | 18 | 1.048 (1.020, 1.076) | 82.3 | 0.000 |
PM10 | 13 | 1.017 (0.981, 1.055) | 51.9 | 0.010 |
SO2 | 4 | 1.002 (1.000, 1.003) | 20.3 | 0.288 |
NO2 | 7 | 1.002 (1.000, 1.003) | 0.0 | 0.512 |
CO | 5 | 0.999 (0.997, 1.001) | 0.0 | 0.763 |
O3 | 10 | 0.999 (0.999, 1.000) | 34.1 | 0.135 |