Table 3 Impact of selective searching on statistical significance of results
From: The contribution of databases to the results of systematic reviews: a cross-sectional study
|  | 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 |