Table 3 Indirect Subgroup Analyses: Recall
From: Which resources should be used to identify RCT/CCTs for systematic reviews: a systematic review
Subgroups | Â | MEDLINE vs. Handsearching | MEDLINE vs. MEDLINE + Handsearching | MEDLINE vs. Reference Standard | |||
|---|---|---|---|---|---|---|---|
| Â | Â | N | Median (Range) | N | Median (Range) | N | Median (Range) |
Search Strategy | Index | 6 | 93 (41,100) | 0 | Â | 1 | 66 |
| Â | Cochrane | 12 | 67 (26,97) | 7 | 81 (28,90) | 6 | 78 (53,98) |
| Â | Complex | 15 | 51 (9,86) | 6 | 67 (52,88) | 10 | 40 (17,97) |
| Â | Simple | 14 | 49 (7,88) | 3 | 48 (18,72) | 8 | 58 (18,89) |
Author | Index | 6 | 93 (41,100) | 0 | -- | 1 | 66 |
| Â | Cochrane | 12 | 67 (26,97) | 7 | 81 (28,90) | 6 | 78 (53,98) |
| Â | Librarian | 5 | 49 (20,62) | 0 | -- | 3 | 56 (29,89) |
| Â | Non-librarian | 24 | 52 (7,88) | 9 | 66 (18,88) | 15 | 48 (17,97) |
Design | RCT | 19 | 54 (9,97) | 1 | 28 | 10 | 79 (25,97) |
| Â | CCT | 28 | 62 (7,100) | 15 | 72 (18,90) | 15 | 56 (17,98) |