Table 1. Availability of summary statistics in published primary GWAS articles from 2010 and 2017, according to the article text.
| GWAS summary statistics availability | 2010 | % | 2017 | % | Total | % |
|---|---|---|---|---|---|---|
| On request to the authors | 0 | 0% | 15 | 9% | 15 | 5% |
| On request via dbGaP | 3 | 2% | 5 | 3% | 8 | 3% |
| On request via EGA | 1 | 1% | 2 | 1% | 3 | 1% |
| On request via another portal | 0 | 0% | 3 | 2% | 3 | 1% |
| Free online without login, plain text | 0 | 0% | 12 | 7% | 12 | 4% |
| Total sharing GWAS data | 4 | 3% | 37 | 23% | 41 | 13% |
| Broken link or not findable | 3 | 2% | 3 | 2% | 6 | 2% |
| Not stated in article | 145 | 95% | 122 | 75% | 267 | 85% |
| Human GWAS | 152 | 100% | 162 | 100% | 314 | 100% |
| Articles checked | 867 | 932 | 1799 |