Skip to main content

Table 2 Percentage of records filtered out

From: Development and validation of a search filter to identify equity-focused studies: reducing the number needed to screen

  MEDLINE Embase
No. of records in databasea No. retrieved % filtered out No. of records in databasea No. retrieved % filtered out
Specific terms 24 442 442 1 598 431 93.5 31 237 516 2 233 531 92.8
Non-specific terms 24 442 442 1 532 739 93.7 31 237 516 1 734 459 94.4
Combined strategyb 24 442 442 2 764 686 88.7 31 237 516 3 515 240 88.7
  1. aestimated using the search strategy ‘a*.mp.’
  2. bThe specific terms and non-specific terms strategies combined with Boolean ‘OR’