Skip to main content

Advertisement

Table 4 Size of initial retrieval per review.

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

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
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
  1. Note 1. Article Read Ratio = Median of Initial Retrieved Articles/Median of Included Studies Retrieved
  2. 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.