Closing the gender gap in the authorship of hematology/oncology-related randomized controlled trials requires inclusive effort from male and female senior researchers

Author:

Kumari Roopa1,Khealani Milan2,Luhana Sindhu3,Parkash Om4,Sadarat FNU5,Devi Sapna6,Kiran FNU7,Rahaman Zubair5,Wang Hong Yu8,Chander Subhash8

Affiliation:

1. Mount Sinai West and Morningside

2. Mayo Clinic Health System

3. Aga Khan University Hospital

4. Wakefield Bronx New York

5. University at Buffalo

6. Montefiore Medical Center

7. Northwell Healthcare

8. Mount Sinai Beth Israel Hospital

Abstract

Abstract Importance: Severe gender gap in academic research output is pervasive across all medical specialties, including hematology and oncology. Objective: This bibliometric study aimed to investigate the representation of females in premier first and last authorship positions of hematology- and oncology-related randomized controlled trials (RCTs) published between 2000–2022. Additionally, we investigated the trend of females in first authorship positions with a male or female senior author. Design: Bibliometric analysis of clinically oriented hematology and oncology RCTs published between 2000 and 2022 across all PubMed-indexed journals. Participants: First and last authors of 5,891 hematology- and oncology-related RCTs. Main Outcomes: Change in the proportion of female first and senior authors and the proportion of RCTs with the same and cross-gender dyads of first and senior authors. Results: 5,891 RCTs were available with identifiable gender of first and senior authors. A total of 49 countries and 62 journals were represented in our study sample. The proportion of females in our study population was 22.9% (n = 1,349) in the first authorship and 17.5% (n = 1,032) in the senior authorship positions and were predominantly affiliated with institutions in high-income countries (94.1%, n = 1,270 and 95.3%, n = 984). We also noted a significant upward trend in the percentage of female authors in the first authorship position (16.3% in 2000 to 32.4% in 2022, p = 0.001) between 2000 and 2022; the trend was stronger with male than female senior authors. However, the odds of the females in the first authorship position with a female senior author were significantly higher only when both authors came from high-income countries [OR = 1.702 (95%CI 1.461–1.984; p < 0.0001]. The proportion of female senior authors remained stable during the study period. Conclusions and Relevance: Despite early trends in closing the gender gap in the authorship of hematology- and oncology-related RCTs, females remain severely underrepresented in premier authorship positions. The increasing proportion of female authors in the first authorship position with a male senior author indicated that a more inclusive effort to train, mentor, and encourage young female physician-scientists with the involvement of senior male and female researchers will likely accelerate the overall increase in female authorship.

Publisher

Research Square Platform LLC

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