Table 3.
Meta-analysis of excess relative risks (ERR) at 100 mGy for all solid cancers and leukemia
| Outcome | No. of studies | ERR at 100 mGy (95% CI) | P | Cochran Q (P) | I 2 |
|---|---|---|---|---|---|
| Adult solid cancer | 14* | 0.055 (−0.0027, 0.112) | .03 | 37.25 (<.001) | 0.65 |
| Adult solid cancer excluding the Canadian cardiovascular imaging study due to heterogeneity | 13* | 0.029 (0.011, 0.047) | <.001 | 9.89 (.63) | NA |
| Adult leukemia | 14† | 0.160 (0.070 to 0.250) | <.001 | 4.12 (.99) | NA |
| Childhood leukemia | 6 | 2.840 (0.370 to 5.320) | .01 | 6.40 (.27) | 0.22 |
*
Excluding INWORKS and site-specific results from US Radiologic Technologists.
†
Excluding INWORKS.