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. 2022 May 17;45(5):477–491. doi: 10.1007/s40264-022-01176-1

Table 1.

Summary statistics for types of data utilized and sample sizes used

Dataset n Mean Median SD IQR
EHR 43 628,859 2633 2,004,196 63,516
FAERS 93 4,306,251 243,510 14,602,542 3,134,268
JADER 9 136,331 33,852 184,969 282,323
KAERS 12 254,293 4982 789,068 6993
Literature 11 17,200 3000 34,797 14,964
Other 138 3,067,200 26,508 14,025,930 259,820
Social media 47 46,685,103 14,570 304,970,307 100,183
VAERS 30 64,363 2619 234,839 13,714
Vigibase 10 365,710 11,144 941,166 14,944

SD standard deviation, IQR interquartile range, EHR electronic health record, FAERS FDA Adverse Event Reporting System, JADER Japanese Adverse Drug Event Report, KAERS Korea Adverse Event Reporting System, VAERS Vaccine Adverse Event Reporting System