Table 4 |
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|
Size of initial retrieval per review. |
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|
Search strategy |
Size of initial retrieved articles Median (interquartile range) |
Size of included studies retrieved Median (interquartile range) |
Article Read Ratio1 |
Estimated time to finish a review (hours)2 |
|
|
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|
SS123 |
1636 (4042) |
9 (14) |
182 |
1086 |
|
SS12 |
408 (1210) |
8 (12) |
51 |
818 |
|
SScrossover |
408 (1216) |
8 (12) |
51 |
818 |
|
SSCROSS-OVERSTUDIES |
408 (1211) |
8 (12) |
51 |
818 |
|
SSvolunteer |
408 (1235) |
8 (12) |
51 |
818 |
|
SSversus |
430 (1361) |
8 (12) |
54 |
823 |
|
|
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|
Note 1. Article Read Ratio = Median of Initial Retrieved Articles/Median of Included Studies Retrieved Note 2. Estimated time to finish a review = 721 + 0.243x - 0.0000123x2, where x denotes the median of size of initial retrieved articles showed in Column 2 of this table. |
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|
Zhang et al. BMC Medical Research Methodology 2006 6:23 doi:10.1186/1471-2288-6-23 |
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