Number of (relevant) hits on prognosis of work disability in PubMed in a restricted time period in three diseases: rheumatoid arthritis, major depression and cystic fibrosis (using MeSH terms)
| Diseases selected by MeSH terms | Rheumatoid arthritis | Major depression | Cystic fibrosis |
|---|---|---|---|
| Number of hits in PubMed (restricted time period) | 624 (1 month) | 473 (2 months) | 682 (7 months) |
| Number of relevant hits | 1 | 2 | 2 |
| Number of hits by adding Yale filter (total number of articles found) | 1 (262) | 2 (260) | 2 (265) |
| Comprhensiveness (CI) | 1.0 (NA) | 1.0 (NA) | 1.0 (NA) |
| Efficiency (CI) | 262 (5 to 11 111) | 130 (36 to 1075) | 133 (4 to 1099) |
| Number of hits by adding Yale filter in combination with WDP-R filter (total number of articles found) | 1 (72) | 2 (80) | 2 (42) |
| Comprehensiveness (CI) | 1.0 (NA | 1.0 (NA) | 1.0 (NA) |
| Efficiency (CI) | 72 (1 to 3333) | 40 (1 to 133) | 21 (6 to 172) |
| Number of hits by adding Yale filter in combination with WDP-P filter (total number of articles found) | 1 (44) | 0 (36) | 1 (20) |
| Comprehnsiveness (CI) | 1.0 (NA) | 0 (NA) | 0.50 (0.01 to 0.99) |
| Efficiency (CI) | 44 (15 to 47) | NA | 20 (7 to 22) |
For each search filter or combination of filters comprehensiveness (sensitivity) and efficiency, expressed more user-friendly as the Number Needed to Read (NNR=1/precision), were calcualted. In parentheses the 95% CI.
NA, not applicable; WDP-P, Work Disability Prognosis—Practice filter; WDP-R, Work Disability Prognosis—Research filter.