Research Summary
Analyzed using Evidence Intelligence™

Telemedicine support improves diabetes control

Key finding

The intervention group showed significantly better HbA1c values compared to the control group at both 12 and 24 months (12 M: -0.52 (-0.73; -0.32), p < .000).

A study found that combining telephone coaching with telemedicine support significantly improved long-term glycemic control in individuals with type 2 diabetes.

Evidence strength

Moderate confidence

Study type

RCTs

Follow-up

Long-Term (1–5 y)

Some Concerns bias
Last updated July 7, 2026

Quick read

Study at a glance

The essential study design details in one scan.

Population

Young Adult (19–39), Middle Aged (40-64), Male, Female, Asia-Pacific (APAC), with T2 Diabetes

Intervention

Lifestyle intervention combining telemedically support and individual needs-based telephone coaching

Study type

RCTs

Follow-up

Long-Term (1–5 y)

Primary outcome

HbA1c

Comparator

Care as usual

Plain-language summary

What this paper says

A plain-language read of the study's main message and where it applies.

Study focus

A study found that combining telephone coaching with telemedicine support significantly improved long-term glycemic control in individuals with type 2 diabetes.

Clinical relevance

Improving glycemic control is crucial for managing type 2 diabetes and preventing complications. This study suggests that integrating telemedicine with personalized coaching can be an effective strategy for enhancing patient outcomes, potentially leading to better long-term health and reduced healthcare costs.

Keep in mind

The effectiveness of the intervention remains unclear due to limited evidence. Sample size and demographic diversity may affect generalizability. Potential confounding factors were not fully controlled.

Published in

Journal Reference

Publication details and source links for this paper.

Annalena D, Katja VS, Martin H, Susanne Z, M. CP, Christiane W. Combined telephone coaching with telemedicine support improves long-term glycemic control in type 2 diabetes. Journal of Diabetes and Metabolic Disorders. 2023;23(1):519-532. doi:10.1007/s40200-023-01290-6

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Main Effects

The intervention group demonstrated a significant reduction in HbA1c at 12 months (-0.52%, p < .000).

At 24 months, the intervention group continued to show better HbA1c levels (-0.38%, p = .001).

No significant change in BMI was observed in the intervention group at 12 months.

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Lifestyle intervention for prediabetes and BMI, HbA1c.

Primary intervention

Lifestyle intervention for prediabetes

Primary outcomes

  • BMI
  • HbA1c

Primary outcomes

Evidence relationships

Intervention and outcome relationships this study adds to the evidence network.

2
Evidence pairs
2
Relationships
2
Evidence topics
contributes_evidence

Editorial context

Why this study matters

See why this paper is useful beyond its individual results.

Evidence network role

This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.

Moderate contributionModerate confidenceNetwork score: 56

2

Related topics

2

Evidence pairs

249

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 2 evidence relationships
  • Includes primary outcome data
  • Linked to 2 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Core evidence

Study findings

The primary outcomes reported in this study.

NoneNo Change

BMI

Lifestyle intervention for prediabetes → BMI

Lifestyle intervention for prediabetes → BMI

Evidence profile

NoneNo ChangeWeight & Anthropometrics
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StrongDecrease

HbA1c

Lifestyle intervention for prediabetes → HbA1c

Lifestyle intervention for prediabetes → HbA1c

Evidence profile

StrongDecreaseGlycemic Control
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evidence suggest

Evidence Suggest

  • The intervention group had a 0.52% decrease in HbA1c at 12 months.
  • HbA1c levels remained significantly lower at 24 months with a 0.38% decrease.
  • No significant BMI changes were reported in the intervention group.
who this applies

Who this applies to

  • Adults diagnosed with type 2 diabetes.
  • Individuals seeking to improve their glycemic control through lifestyle changes.
keep in mind

Keep in Mind

  • Results may not apply to all populations due to sample characteristics.
  • The study did not measure long-term sustainability of the intervention effects.
  • Further research is needed to confirm findings and explore effectiveness in diverse settings.
between the lines

Between the Lines

  • The effectiveness of the intervention remains unclear due to limited evidence.
  • Sample size and demographic diversity may affect generalizability.
  • Potential confounding factors were not fully controlled.

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Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Lifestyle intervention for prediabetes and HbA1c.

Related evidence relationships

Explore in Evidence Archive

This study contributes to the evidence on the following intervention-outcome relationships.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Lifestyle intervention for prediabetes improve HbA1c?

Emerging Evidence

Lifestyle intervention for prediabetes appears to improve HbA1c.

ConsensusScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Emerging | EvidenceScore™ 58.4 | strong positive | ConsensusScore™ Consistent | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Lifestyle intervention for prediabetes affect bmi?

Limited Evidence

Current evidence does not show a clear benefit of Lifestyle intervention for prediabetes for BMI.

ConsensusScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    BMI

    EvidenceScore™ Limited | EvidenceScore™ 35.4 | neutral | ConsensusScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026
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