| Data source |
Study type |
Sampling |
Cases |
Control |
Exposed |
Non-exposed |
|
| Ghorbani et al. 2015 [14] |
CR |
Case-control |
347 |
300 |
- |
- |
|
| Lowry et al. 2014 [12] |
SEER |
Case-control |
Population-based |
715 |
376 |
- |
- |
| Li et al. 2009 [11] |
SEER |
Case-control |
Population-based |
4568 |
4678 |
- |
- |
| Mathes et al. 2008 [13] |
CSS |
Case-control |
Population-based |
1938 |
1474 |
- |
- |
| Li et al. 2010 [10] |
WHI |
Cohort |
Population-based |
- |
- |
10464 |
80652 |
| Winter et al. 2013 [15] |
WHS |
Cohort |
Population-based |
- |
- |
7318 |
32378 |