Id |
Subject |
Object |
Predicate |
Lexical cue |
T43 |
0-92 |
Sentence |
denotes |
In the first half of 2020, the total number of articles published on PubMed equaled 858,641. |
T44 |
93-201 |
Sentence |
denotes |
Overall, we identified 27,815 articles on COVID-19, which constitutes 3.24% of all publication in this time. |
T45 |
202-357 |
Sentence |
denotes |
Among those we found 18,225 (65.52%) original articles, 2,449 (8.8%) reviews, 69 (0.25%) systematic reviews with meta-analysis, and 171 (0.61%) guidelines. |
T46 |
358-464 |
Sentence |
denotes |
The remaining 6,901 (24.81%) positions were letters to the editors, commentaries, errata, or unclassified. |
T47 |
465-684 |
Sentence |
denotes |
In a per-month analysis we found that in January, two articles (0.007%) on COVID-19 were indexed, 37 (0.13%) in February, 620 (2.23%) in March, 2,514 (9.04%) in April, 5,527 (19.87%) in May, and 18,596 (66.85%) in June. |
T48 |
685-797 |
Sentence |
denotes |
From those articles, we retrieved n = 519 preprint publications (n = 319 from medRxiv and n = 200 from bioRxiv). |