Study | lag/a | Exposure category | Average dose | Lower dose | Upper dose | RR | 95 % CI | Number of persons | Number of cases | |
---|---|---|---|---|---|---|---|---|---|---|
Lower | Upper | |||||||||
Steenland et al. 1998 | 5 | Reference | 0.0 | 0.0 | 0.0 | 1.00 | 1.00 | 1.00 | ||
5 | Cat 1 | 84.5 | 0.0 | <169.0 | 1.08 | 0.72 | 1.63 | |||
5 | Cat 2 | 231.0 | 169.0 | 257.0 | 1.10 | 0.74 | 1.65 | |||
5 | Cat 3 | 294.0 | 257.0 | 331.0 | 1.36 | 0.90 | 2.04 | |||
5 | Cat 4 | 551.7 | ≥331.0 | 1.64 | 1.09 | 2.49 | ||||
Garshick et al. 2012a | 5 | Reference | 15.5 | 0.0 | <30.9 | 1.00 | 1.00 | 1.00 | 105513 | 122 |
5 | Cat 1 | 51.3 | 30.9 | 71.7 | 1.31 | 1.01 | 1.71 | 104909 | 191 | |
5 | Cat 2 | 111.0 | 71.7 | 150.3 | 1.38 | 1.02 | 1.87 | 102496 | 202 | |
5 | Cat 3 | 250.5 | ≥150.3 | 1.48 | 1.05 | 2.10 | 87397 | 226 | ||
Silverman et al. 2012 | 15 | Reference | 1.5 | 0.0 | <3.0 | 1.00 | 1.00 | 1.00 | 207 | 49 |
15 | Cat 1 | 37.5 | 3.0 | 72.0 | 0.74 | 0.40 | 1.38 | 278 | 50 | |
15 | Cat 2 | 204.0 | 72.0 | 536.0 | 1.54 | 0.74 | 3.20 | 206 | 49 | |
15 | Cat 3 | 1036.0 | ≥536.0 | 2.83 | 1.28 | 6.26 | 173 | 50 |