Chinese Medical Journal

Top Research Topics at Chinese Medical Journal?

Chinese Medical Journal investigates studies in Internal medicine, Surgery, Pathology, Cardiology and Endocrinology. Myocardial infarction is the primary subject of Internal medicine works presented in Chinese Medical Journal. The journal is mostly focused on Surgery, specifically Retrospective cohort study.

• Internal medicine (28.01%)
• Surgery (15.91%)
• Pathology (9.05%)

What are the most cited papers published in the journal?

• Clinical characteristics of novel coronavirus cases in tertiary hospitals in Hubei Province. (806 citations)
• Identification of a novel coronavirus causing severe pneumonia in human: a descriptive study. (577 citations)
• Analysis of factors associated with disease outcomes in hospitalized patients with 2019 novel coronavirus disease. (543 citations)

Research areas of the most cited articles at Chinese Medical Journal:

The most cited papers are organized to reinforce research efforts on Internal medicine, Surgery, Endocrinology, Immunology and Pathology. Gastroenterology, Diabetes mellitus, Oncology and Cardiology are some topics wherein Internal medicine research discussed in the most cited papers has an impact. Most of the Surgery studies addressed in the most cited papers also intersect with Anesthesia.

What topics the last edition of the journal is best known for?

• Internal medicine
• Disease
• Surgery

The previous edition focused in particular on these issues:

The journal covers a variety of subjects, including Internal medicine, Text mining, MEDLINE, Surgery and Cancer research. The journal holds forums on Internal medicine that merges themes from other disciplines such as Gastroenterology, Oncology and Cardiology. The in-depth study on Text mining also explores topics in the intersecting field of Radiology.

It addresses concerns in MEDLINE which are intertwined with other disciplines, such as Chinese society, Breast surgery, General surgery and Intensive care medicine. The Breast surgery study featured falls within the wider field of Breast cancer. While the journal primarily focused on General surgery, it also opened dialogues on the discipline of Clinical Practice.

The most cited articles from the last journal are:

• Changing profiles of cancer burden worldwide and in China: a secondary analysis of the global cancer statistics 2020. (26 citations)
• Clinical practice guidelines for sentinel lymph node biopsy in patients with early-stage breast cancer: Chinese Society of Breast Surgery (CSBrS) practice guidelines 2021. (17 citations)
• Population diversity of cardiovascular outcome trials and real-world patients with diabetes in a Chinese tertiary hospital. (10 citations)

Papers citation over time

A key indicator for each journal is its effectiveness in reaching other researchers with the papers published at that venue.

The chart below presents the interquartile range (first quartile 25%, median 50% and third quartile 75%) of the number of citations of articles over time.

Top authors and change over time

The top authors publishing in Chinese Medical Journal (based on the number of publications) are:

• Yuejin Yang (100 papers) published 1 paper at the last edition the same number as at the previous edition,
• Runlin Gao (97 papers) absent at the last edition,
• Bo Xu (78 papers) absent at the last edition,
• Wei Wang (69 papers) absent at the last edition,
• Shubin Qiao (59 papers) absent at the last edition.

The overall trend for top authors publishing in this journal is outlined below. The chart shows the number of publications at each edition of the journal for top authors.

Top affiliations and change over time

Only papers with recognized affiliations are considered

The top affiliations publishing in Chinese Medical Journal (based on the number of publications) are:

• Capital Medical University (1530 papers) published 71 papers at the last edition, 1 more than at the previous edition,
• Peking University (1516 papers) published 74 papers at the last edition, 13 less than at the previous edition,
• Peking Union Medical College (808 papers) published 51 papers at the last edition, 3 more than at the previous edition,
• Peking Union Medical College Hospital (732 papers) published 47 papers at the last edition, 3 less than at the previous edition,
• Shanghai Jiao Tong University (481 papers) published 32 papers at the last edition, 3 more than at the previous edition.

The overall trend for top affiliations publishing in this journal is outlined below. The chart shows the number of publications at each edition of the journal for top affiliations.

Publication chance based on affiliation

The publication chance index shows the ratio of articles published by the best research institutions in the journal edition to all articles published within that journal. The best research institutions were selected based on the largest number of articles published during all editions of the journal.

The chart below presents the percentage ratio of articles from top institutions (based on their ranking of total papers).Top affiliations were grouped by their rank into the following tiers: top 1-10, top 11-20, top 21-50, and top 51+. Only articles with a recognized affiliation are considered.

During the most recent 2021 edition, 8.55% of publications had an unrecognized affiliation. Out of the publications with recognized affiliations, 58.81% were posted by at least one author from the top 10 institutions publishing in the journal. Another 10.61% included authors affiliated with research institutions from the top 11-20 affiliations. Institutions from the 21-50 range included 17.99% of all publications and 12.59% were from other institutions.

Returning Authors Index

A very common phenomenon observed among researchers publishing scientific articles is the intentional selection of journals they have already attended in the past. In particular, it is worth analyzing the case when the authors participate in the same journal from year to year.

The Returning Authors Index presented below illustrates the ratio of authors who participated in both a given as well as the previous edition of the journal in relation to all participants in a given year.

Returning Institution Index

The graph below shows the Returning Institution Index, illustrating the ratio of institutions that participated in both a given and the previous edition of the conference in relation to all affiliations present in a given year.

The experience to innovation index

Our experience to innovation index was created to show a cross-section of the experience level of authors publishing in a journal. The index includes the authors publishing at the last edition of a journal, grouped by total number of publications throughout their academic career (P) and the total number of citations of these publications ever received (C).

The group intervals were selected empirically to best show the diversity of the authors' experiences, their labels were selected as a convenience, not as judgment. The authors were divided into the following groups:

• Novice - P < 5 or C < 25 (the number of publications less than 5 or the number of citations less than 25),
• Competent - P < 10 or C < 100 (the number of publications less than 10 or the number of citations less than 100),
• Experienced - P < 25 or C < 625 (the number of publications less than 25 or the number of citations less than 625),
• Master - P < 50 or C < 2500 (the number of publications less than 50 or the number of citations less than 2500),
• Star - P ≥ 50 and C ≥ 2500 (both the number of publications greater than 50 and the number of citations greater than 2500).

The chart below illustrates experience levels of first authors in cases of publications with multiple authors.

Career Opportunities in Chinese Medical Research

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