Evidence map›Paper›PMID 39799203›Full record

ArticleScientific reports2025

Comparison of the performances between ChatGPT and Gemini in answering questions on viral hepatitis.

Meryem Sahin Ozdemir, Yusuf Emre Ozdemir

Abstract readComparative Study
In one paragraph

Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
–field-weighted citation impact
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

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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

9 citing papers in PubMed.

  1. Article
  2. Patient and physician perspectives on large language model generated responses about brain aneurysm.Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2026
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4 · The record

Corrections and comments

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

2 authors.

Meryem Sahin OzdemirDepartment of Infectious Diseases and Clinical Microbiology, Basaksehir Cam and Sakura City Hospital, Istanbul, 34480, Turkey.ORCID 0000-0002-3928-3840
Yusuf Emre OzdemirDepartment of Infectious Diseases and Clinical Microbiology, Bakirkoy Dr Sadi Konuk Training and Research Hospital, Istanbul, 34140, Turkey. dryusufeozdemir@gmail.com.ORCID 0000-0002-7428-5091

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This is the first study to evaluate the adequacy and reliability of the ChatGPT and Gemini chatbots on viral hepatitis. A total of 176 questions were composed from three different categories. The first group includes "questions and answers (Q&As) for the public" determined by the Centers for Disease Control and Prevention (CDC). The second group includes strong recommendations of international guidelines. The third group includes frequently asked questions on social media platforms. The answers of the chatbots were evaluated by two different infectious diseases specialists on a scoring scale from 1 to 4. Cohen's kappa coefficient was calculated to assess inter-rater reliability. The reproducibility and correlation of answers generated by ChatGPT and Gemini were analyzed. ChatGPT and Gemini's mean scores (3.55 ± 0.83 vs. 3.57 ± 0.89, p = 0.260) and completely correct response rates (71.0% vs. 78.4%, p = 0.111) were similar. In addition, in subgroup analyses with the CDC questions Sect. (90.1% vs. 91.9%, p = 0.752), the guideline questions Sect. (49.4% vs. 61.4%, p = 0.140), and the social media platform questions Sect. (82.5% vs. 90%, p = 0.335), the completely correct answers rates were similar. There was a moderate positive correlation between ChatGPT and Gemini chatbots' answers (r = 0.633, p < 0.001). Reproducibility rates of answers to questions were 91.3% in ChatGPT and 92% in Gemini (p = 0.710). According to Cohen's kappa test, there was a substantial inter-rater agreement for both ChatGPT (κ = 0.720) and Gemini (κ = 0.704). ChatGPT and Gemini successfully answered CDC questions and social media platform questions, but the correct answer rates were insufficient for guideline questions.

Indexed as

Hepatitis, Viral, HumanSocial MediaCenters for Disease Control and Prevention, U.S.Generative Artificial IntelligenceHumansReproducibility of ResultsSurveys and QuestionnairesUnited StatesChatGPTGeminiHepatitis BHepatitis CViral hepatitis

Identifiers

PMID39799203
PMCPMC11724965

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Registered trials

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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.