Evidence map›Paper›PMID 41006898›Full record

ArticleNPJ digital medicine2025

TIMER: temporal instruction modeling and evaluation for longitudinal clinical records.

Hejie Cui, Alyssa Unell, Bowen Chen, Jason Alan Fries, Emily Alsentzer, Sanmi Koyejo, Nigam H Shah

Abstract read
In one paragraph

Article in NPJ digital medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing 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

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

11 citing papers in PubMed.

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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

7 authors.

Hejie Cui *Stanford Center for Biomedical Informatics Research, Stanford University School of Medicine, Stanford, CA, USA.
Alyssa Unell *Department of Computer Science, Stanford University, Stanford, CA, USA.
Bowen ChenDepartment of Biomedical Data Science, Stanford University, Stanford, CA, USA.
Jason Alan FriesStanford Center for Biomedical Informatics Research, Stanford University School of Medicine, Stanford, CA, USA.
Emily AlsentzerDepartment of Computer Science, Stanford University, Stanford, CA, USA.
Sanmi KoyejoDepartment of Computer Science, Stanford University, Stanford, CA, USA.
Nigam H ShahStanford Center for Biomedical Informatics Research, Stanford University School of Medicine, Stanford, CA, USA. nigam@stanford.edu.

Funding

National Science Foundation Graduate Research Fellowship Program NSF 23-605
6 · The paper itself

Abstract

Electronic health records (EHRs) contain rich longitudinal information for clinical decision-making, yet LLMs struggle to reason across patient timelines. We introduce TIMER (Temporal Instruction Modeling and Evaluation for Longitudinal Clinical Records), a method to improve LLMs' temporal reasoning over multi-visit EHRs through time-aware instruction tuning. TIMER grounds LLMs in patient-specific temporal contexts by linking each instruction-response pair to specific timestamps, ensuring temporal fidelity throughout the training process. Evaluations show that TIMER-tuned models outperform conventional medical instruction-tuned approaches by 6.6% in completeness on clinician-curated benchmarks, with distribution-matched training demonstrating advantages up to 6.5% in temporal reasoning. Qualitative analyses reveal that using TIMER enhances temporal boundary adherence, trend detection, and chronological precision, necessary for applications such as disease trajectory modeling and treatment response monitoring. Overall, TIMER provides a methodological basis for developing LLMs that can effectively engage with the inherently longitudinal nature of data for patient care. Code is available at TIMER .

Identifiers

PMID41006898
PMCPMC12475073

What OpenQuestion holds

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LicenceCC BY-NC-ND
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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.