Id |
Subject |
Object |
Predicate |
Lexical cue |
T27 |
0-21 |
Sentence |
denotes |
Materials and methods |
T28 |
22-181 |
Sentence |
denotes |
Data collection, manipulation, calculations, and visualization were performed using the R (version 3.6.3) programming language (R Foundation, Vienna, Austria). |
T29 |
182-292 |
Sentence |
denotes |
We collected data on COVID-19 publications using the R PubMed API called "easyPubMed" on 9th of July 2020 [2]. |
T30 |
293-587 |
Sentence |
denotes |
We set the following query conditions: date between the 31st of December 2019 and 30th of June 2020, and search terms: "novel coronavirus," "coronavirus Wuhan," "SARS-CoV-2," "COVID-19." We identified articles with or without abstract, original articles, reviews, meta-analyses, and guidelines. |
T31 |
588-690 |
Sentence |
denotes |
We ranked countries based on the number of articles with at least one author coming from each country. |
T32 |
691-875 |
Sentence |
denotes |
We confronted the ranking of countries with the highest number of articles on COVID-19 with SCImago ranking of countries with the highest medical researchers' productivity in 2019 [3]. |
T33 |
876-985 |
Sentence |
denotes |
Moreover, we conducted the Spearman rank correlation test between the number of articles in each country and: |
T34 |
986-1082 |
Sentence |
denotes |
(a) the total number of COVID-19 cases per one million citizens before the 1st of July 2020 [4], |
T35 |
1083-1195 |
Sentence |
denotes |
(b) the total number of deaths related to COVID-19 per one million citizens before the 1st of July 2020 [5], and |
T36 |
1196-1243 |
Sentence |
denotes |
(c) Human Development Index (HDI) for 2018 [6]. |
T37 |
1244-1454 |
Sentence |
denotes |
We choose the R Spearman correlation rank test because the data we analyzed is presented in interval scale (e.g., HDI is an artificial index, and similarly like BMI, non-parametrical tests should be preferred). |
T38 |
1455-1554 |
Sentence |
denotes |
Our data also had many outliers, which is other indication of Spearman correlation rank usefulness. |
T39 |
1555-1668 |
Sentence |
denotes |
We matched journal names with the SCImago journal database that contains information on the journal category [7]. |
T40 |
1669-1959 |
Sentence |
denotes |
For instance, "The Lancet Infectious Diseases" is categorized as "Infectious Diseases" journal, while "Clinical Microbiology Reviews" as one of the following: "Epidemiology," "Infectious Diseases," "Microbiology (medical)," or "Public Health, Environmental and Occupational Health" journal. |
T41 |
1960-2101 |
Sentence |
denotes |
We counted the number of reports on COVID-19 in journals from each category and presented categories with the highest number of publications. |