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Flow chart, Nordic studies
| Study | Included in the study | Data on smoking, birth year, and gender. No overlap EIMS/GEMS | Nordic origin | Past smokers excluded | HLA genotype available. Dataset for analysis |
|---|---|---|---|---|---|
| EIMS | |||||
| Cases | 2488 | 2488 | 2027 | 1569 | 1308 |
| Controls | 5433 | 5433 | 4243 | 3379 | 1858 |
| GEMS | |||||
| Cases | 6156 | 6085 | 5520 | 4264 | 3272 |
| Controls | 5408 | 5357 | 4568 | 3762 | 2382 |
| Danish study | |||||
| Cases | 2048 | 2048 | 1832 | 1520 | 1474 |
| Controls | 4546 | 4541 | 4277 | 3618 | 3469 |
| Norwegian study | |||||
| Cases | 332 | 316 | 316 | 278 | 211 |
| Controls | 773 | 756 | 748 | 702 | 692 |
