PMC full text:
Table 9
Comparison of strategies from 1991 with newly developed strategies from 2000, compiled using 2000 data
| Year | Approach | Strategy in Ovid format | Sensitivity (%) | Specificity (%) | Precision (%) | Accuracy (%) |
|---|---|---|---|---|---|---|
| 1991 | Maximise sensitivity | Randomized controlled trial.pt. OR drug therapy.fs. OR therapeutic use.fs. OR random:.tw. | 98.3 | 79.4 | 13.4 | 78.6 |
| 2000 | Maximise sensitivity | Clinical trial.pt. OR random:.mp. OR therapeutic use.fs. | 98.9 | 79.7 | 13.8 | 80.3 |
| 1991 | Maximise specificity | Double.tw. AND blind.tw. OR placebo:.tw. | 42.3 | 98.1 | 42.2 | 96.3 |
| 2000 | Maximise specificity | Randomized controlled trial.mp. OR randomized controlled trial.pt. | 93.1 | 97.4 | 54.4 | 97.3 |
pt=publication type; fs=floating subheading; :=truncation; tw=textword (word or phrase appears in title or abstract); mp=multiple posting (term appears in title, abstract, or MeSH heading).