LitCovid-sentences  

PMC:7781502 / 146-1612 JSONTXT 2 Projects

Annnotations TAB TSV DIC JSON TextAE

Id Subject Object Predicate Lexical cue
T4 0-10 Sentence denotes Background
T5 11-155 Sentence denotes The control of the coronavirus disease 2019 (COVID-19) pandemic depends on the profound investigation of the virus biology and its consequences.
T6 156-323 Sentence denotes We aimed to analyze the COVID-19 research productivity of authors representing different countries and associations between the number of articles and COVID-19 spread.
T7 324-331 Sentence denotes Methods
T8 332-430 Sentence denotes We retrieved all articles on COVID-19 indexed in PubMed between 31 December 2019 and 30 June 2020.
T9 431-495 Sentence denotes We identified the countries of individual authors’ affiliations.
T10 496-759 Sentence denotes We performed the R Spearman rank correlation test between the number of articles with at least one author from a country per one million citizens and Human Development Index (HDI), a number of COVID-19 cases and deaths per one million citizens before 1 July 2020.
T11 760-767 Sentence denotes Results
T12 768-959 Sentence denotes Overall, we identified 27,815 articles, including 18,225 original contributions, 2,449 reviews, and 69 meta-analyses on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection.
T13 960-1152 Sentence denotes The highest productivity characterized the authors coming from China (n = 11,519 articles with at least one author), followed by the United States of America (n = 9,666) and Italy (n = 7,261).
T14 1153-1294 Sentence denotes The number of articles on COVID-19 associated with HDI (Rs = 0.79), the numbers of cases (Rs = 0.47), and deaths (Rs = 0.46) (all p < 0.001).
T15 1295-1306 Sentence denotes Conclusions
T16 1307-1466 Sentence denotes Early COVID-19 researches were most often authored by researchers from highly developed countries and those affected by the rapid initial spread of SARS-CoV-2.