Table 3.
Impact of selective searching on statistical significance of results
| Acute Respiratory Infections (n = 55) | Infectious Diseases (n = 37) | Developmental, Psychosocial and Learning Problems (n = 33) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Databasea | Reference significant; Medline+ not | Reference not significant; Medline+ significant | No change | Reference significant; Medline+ not | Reference not significant; Medline+ significant | No change | Reference significant; Medline+ not | Reference not significant; Medline+ significant | No change |
| Medline (alone) | 4 | 2 | 49 | 1 | 1 | 35 | - | - | - |
| BIOSIS | 3 | 2 | 50 | 0 | 1 | 36 | 1 | 0 | 32 |
| CAB Direct | 4 | 2 | 49 | 1 | 1 | 35 | 1 | 0 | 32 |
| CINAHL | 4 | 2 | 49 | 1 | 1 | 35 | 1 | 0 | 32 |
| EMBASE | 1 | 1 | 53 | 1 | 1 | 35 | 1 | 0 | 32 |
| ERIC | 3 | 2 | 50 | 1 | 1 | 35 | 1 | 0 | 32 |
| HAPI | 4 | 2 | 49 | 1 | 1 | 35 | 1 | 0 | 32 |
| IPA | 4 | 2 | 49 | 1 | 1 | 35 | 1 | 0 | 32 |
| LILACS | 4 | 2 | 49 | 1 | 1 | 35 | 1 | 0 | 32 |
| PsycINFO | 3 | 2 | 50 | 1 | 1 | 35 | 1 | 0 | 32 |
aeach database in addition to Medline