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. 2020 Nov 9;181(3):395–397. doi: 10.1001/jamainternmed.2020.6629

Table 2. Comparison of Attention and Online Engagement Metrics of MedXriv Preprints About COVID-19 Therapies That Were Published and Not Published During the Study Perioda.

Metric Median (IQR) [range] P value for difference
Published (n = 16) Not published (n = 18)
Altmetric attention score 407.0 (54-3669.8) [1-10 396] 32.0 (11-269.3) [4-7333] .03
News outlets citing 5 (0-55.3) [0-411.0] 0 (0.0-5.3) [0-130] .03
Individuals using Twitter 399.0 (43.3-4744.8) [4-11 108] 47.5.0 (15.0-389.8) [9.0-15 131.0] .06
Citations 11.0 (3.8-28.5) [0-75] 3.5 (1.0-14.0) [0.0-154.0] .08
Page views 9201.5 (1942-49 077.8) [724-417 105] 1826 (920.3-8950) [427-220 349] .04

Abbreviations: COVID-19, coronavirus disease 2019; IQR, interquartile range.

a

For data sources, see the footnote for Table 1. All data are for the preprint article and not for the subsequent publication. All 34 preprints remained posted on medRxiv through July 10, 2020, including the 16 preprints with subsequent publications during the study period. Metrics for the 16 publications are included in the data on publication in Table 1.