Table 1 Formulas for calculating sensitivity, 1-specificity, and precision.
| Â | Eligible articles | Ineligible articles | Total articles |
|---|---|---|---|
Retrieved by search strategy | a | b | a+b |
Not retrieved by search strategy | c | d | c+d |
Total | a+c | b+d | N |
| Â | Eligible articles | Ineligible articles | Total articles |
|---|---|---|---|
Retrieved by search strategy | a | b | a+b |
Not retrieved by search strategy | c | d | c+d |
Total | a+c | b+d | N |
