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Figure 1 | BMC Medical Research Methodology

Figure 1

From: Optimizing search strategies to identify randomized controlled trials in MEDLINE

Figure 1

Steps of how sensitivity and precision were calculated.

Note 1. The number of the pooled studies of each SR is the denominator of the sensitivity for each SR.

Note 2. The number of items retrieved in this step is the nominator of the sensitivity and the precision for each SR.

Note 3. The number of items retrieved in this step is the initial search output (articles needed to screen) of a SR, which is also the denominator of the precision.

SR = systematic review

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