Table 2 Precision of each strategy across databases
From: Finding qualitative research: an evaluation of search strategies
| Â | Actually relevant records retrieved ("diagnosed positive") by each strategy | Precision: Actually relevant records ("diagnosed positive") as a percentage (number) of potentially relevant records for that strategy |
|---|---|---|
1)Thesaurus | 191 | 5.4% (191/3537) |
2)Free-text | 172 | 4.9% (172/3451) |
3)Broad-based | 187 | 4.7% (187/3912) |
Total actually relevant records (duplicates eliminated) | 262 | - |