Evidence map›Paper›PMID 42401899›Full record

ArticleBMC medical education2026

Nationwide survey of formal mentorship characteristics and perceptions among resident physicians in Japan.

Kohta Katayama, Yuji Nishizaki, Makoto Kikukawa, Toshihiko Takada, Kazuya Nagasaki, Taro Shimizu, Yu Yamamoto, Takashi Watari, Yasuharu Tokuda, Vineet Chopra and 1 more

Abstract readMulticenter Study
In one paragraph

Article in BMC medical education, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Kohta KatayamaDepartment of General Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan. pine77717@gmail.com.
Yuji NishizakiDivision of Medical Education, Faculty of Medicine, Juntendo University, Tokyo, Japan.
Makoto KikukawaFaculty of Medical Sciences Medical Education, School of Medicine, Kyusyu University, Fukuoka, Japan.
Toshihiko TakadaDepartment of General Medicine, Shirakawa Satellite for Teaching and Research (STAR), Fukushima Medical University, Shirakawa, Fukushima, Japan.
Kazuya NagasakiDepartment of General and Family Medicine, Fujita Health University, Aichi, Japan.
Taro ShimizuDepartment of Diagnostic and Generalist Medicine, Dokkyo Medical University Hospital, Tochigi, Japan.
Yu YamamotoDivision of General Medicine, Center for Community Medicine, Jichi Medical University, Tochigi, Japan.
Takashi WatariIntegrated Clinical Education Center, Kyoto University Hospital, Kyoto, Japan.
Yasuharu TokudaMuribushi Okinawa Center for Teaching Hospitals, Urasoe, Okinawa, Japan.
Vineet ChopraDepartment of Medicine, University of Colorado School of Medicine, Aurora, USA.
Yoshiyuki OhiraDepartment of General Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan.

Funding

Ministry of Health, Labor, and Welfare, Japan 24IA2016
6 · The paper itself

Abstract

backgroundMentorship is considered essential in residency training, yet its structure and quality in Japan remain unclear.

methodsWe conducted a nationwide, multi-center descriptive study of postgraduate year (PGY) 1-2 residents who completed both the General Medicine In-Training Examination (GM-ITE) and a formal mentorship survey in 2024. Residents who declined participation, provided no response to the survey, had incomplete survey responses, or did not have a formal mentor were excluded.

resultsOf 9,179 residents who took the GM-ITE, 3,877 from 570 hospitals were analyzed. Most reported having one mentor (71.6%), and mentors were predominantly male (72.9%). Only 61.0% of programs offered lectures on mentorship. Overall, 46.1% of residents did not perceive feedback as specific or actionable, whereas 69.3% reported trusting their mentors. Mentoring interactions were relatively limited, with 60.4% of residents reporting meeting less than once a month.

conclusionsAmong residents with formally assigned mentors, important gaps remained in mentor diversity, feedback quality, and mentoring engagement. Efforts to strengthen mentor training, improve feedback practices, and promote more structured mentoring interactions may help optimize residents' educational and professional development.

Indexed as

Internship and ResidencyMentoringMentorsAttitude of Health PersonnelFemaleHumansJapanMaleSurveys and QuestionnairesFormal mentorshipGender diversityJapanPostgraduate medical educationResident physicians

Identifiers

PMID42401899
PMCPMC13617937

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.