Table 2

Sensitivity of each search strategy.

Search strategy

Median (%)

Interquartile range (%)

Mean rank (Friedman test)

Reviews with perfect sensitivity (%)

Relevant items missed (across 94 reviews)


SS123

100.00

4.17

4.24

70.21

49

SS12

100.00

12.15

3.34

52

108

SScrossover

100.00

12.15

3.34

52

108

SSCROSS-OVERSTUDIES

100.00

12.15

3.34

52

108

SSvolunteer

100.00

12.15

3.34

52

108

SSversus

100.00

12.15

3.41

52

105


χ2 = 131.667, p < .01

Zhang et al. BMC Medical Research Methodology 2006 6:23   doi:10.1186/1471-2288-6-23

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