Total number of articles and articles included in the reference set from 10 selected journals in the publication years 2000–2009. In parentheses the percentages
| Name journal | Total articles (%) | Relevant articles (%) |
|---|---|---|
| SJWEH | 679 (1) | 6 (2.7) |
| JOR | 328 (0.5) | 10 (4.4) |
| OEM | 1654 (2.5) | 4 (1.8) |
| Spine | 6092 (9.3) | 167 (74.2) |
| Stroke | 6200 (9.4) | 12 (5.3) |
| Cancer | 7804 (11.9) | 13 (5.8) |
| J Anx Dis | 742 (1.1) | 0 (0) |
| JAMA | 11 541 (17.6) | 8 (3.6) |
| PloS ONE | 8489 (12.9) | 0 (0) |
| BMJ | 22 163 (33.7) | 5 (2.2) |
| Total | 65 692 (100) | 225 (100) |