Table 4.
Size of initial retrieval per review.
| 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 |
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.