Research Summary

Analyzed using Evidence Intelligence™

QCC Model Enhances Diabetes Management

Last updated July 18, 2026

Key finding

The EG demonstrated significant improvements in fasting C-peptide levels compared to the RG.

The study evaluated the QCC nursing model's impact on blood glucose control in Type 2 diabetes patients, finding significant improvements in various metabolic markers.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Long-Term (1–5 y)

Risk of bias

Some Concerns

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Plain-language summary

What this paper says

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

Study focus

The study evaluated the QCC nursing model's impact on blood glucose control in Type 2 diabetes patients, finding significant improvements in various metabolic markers.

Clinical relevance

Effective management of blood glucose levels is crucial for Type 2 diabetes patients to prevent complications. The QCC nursing model not only improved metabolic outcomes but also enhanced patient satisfaction, indicating a holistic approach to diabetes care that could lead to better long-term health outcomes.

Keep in mind

The study's sample size may limit generalizability. Potential confounding factors were not fully controlled. The follow-up duration may not capture long-term effects.

Published in

Journal Reference

Publication details and source links for this paper.

Qing Z, Li Z, Yan G, Hua M, Yaping G, Guohong Z. The QCC Nursing Model Improves Blood Glucose Control in Type 2 Diabetes Patients. Journal of Medical Biochemistry. 2025;44(6):1288-1296. doi:10.5937/jomb0-55738

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Main Effects

The EG demonstrated a significant decrease in fasting C-peptide levels by 1.5 ng/mL (p=0.01).

The EG showed a significant reduction in fasting plasma glucose levels by 2 mmol/L (p=0.02).

The EG had a significant improvement in glycated hemoglobin levels, decreasing by 0.5% (p=0.05).

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Insulin therapy, Usual care and C-peptide, Fasting Plasma Glucose (FPG), Fasting insulin levels, and 3 more.

This study contributes evidence to

Intervention

Insulin therapy

Outcome

C-peptide

Evidence topic

Glycemic Control

Primary intervention

Insulin therapy

Primary outcomes

C-peptide
Fasting Plasma Glucose (FPG)
Fasting insulin levels

Evidence topics

Glycemic Control HbA1c Reduction Insulin Therapies

Primary intervention

Insulin therapy

Primary outcomes

C-peptide Fasting Plasma Glucose (FPG)Fasting insulin levels

Evidence relationships

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

Evidence pairs

Relationships

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: 72

Why it is useful

Contributes to 12 evidence relationships
Includes primary outcome data
Linked to 3 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

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Primary evidence

Evidence relationship

Insulin Therapies and HbA1c

Related evidence

Evidence relationship

Insulin Therapies and Insulin Resistance

Save evidence

Evidence relationship

Insulin Therapies and Fasting Glucose

Save evidence

Core evidence

Study findings

The primary outcomes reported in this study.

C-peptide

Insulin therapy → C-peptide

Evidence Intelligence™

EvidenceScore™: Emerging; Score 59 · Based on 1 study
ImpactScore™: 100; Very Positive
ConsistencyScore™: unclear; Not enough independent studies

Based on 1 study

Add to Evidence Tracker

Fasting insulin levels

Insulin therapy → Fasting insulin levels

Evidence Intelligence™

EvidenceScore™: Emerging; Score 59 · Based on 1 study
ImpactScore™: 100; Very Positive
ConsistencyScore™: unclear; Not enough independent studies

Based on 1 study

Add to Evidence Tracker

Fasting Plasma Glucose (FPG)

Insulin therapy → Fasting Plasma Glucose (FPG)

Evidence Intelligence™

EvidenceScore™: Moderate; Score 69 · Based on 2 studies
ImpactScore™: 100; Very Positive
ConsistencyScore™: 100; consistent

Based on 2 studies

Add to Evidence Tracker

HbA1c

Insulin therapy → HbA1c

Evidence Intelligence™

EvidenceScore™: Strong; Score 79 · Based on 4 studies
ImpactScore™: 88; Very Positive
ConsistencyScore™: 75; consistent

Based on 4 studies

Add to Evidence Tracker

Postprandial blood glucose

Insulin therapy → Postprandial blood glucose

Evidence Intelligence™

EvidenceScore™: Emerging; Score 59 · Based on 1 study
ImpactScore™: 100; Very Positive
ConsistencyScore™: unclear; Not enough independent studies

Based on 1 study

Add to Evidence Tracker

Treatment satisfaction

Insulin therapy → Treatment satisfaction

Evidence Intelligence™

EvidenceScore™: Emerging; Score 59 · Based on 1 study
ImpactScore™: 100; Very Positive
ConsistencyScore™: unclear; Not enough independent studies

Based on 1 study

Add to Evidence Tracker

C-peptide

Usual care → C-peptide

Evidence Intelligence™

EvidenceScore™: Emerging; Score 59 · Based on 1 study
ImpactScore™: 50; Neutral
ConsistencyScore™: unclear; Not enough independent studies

Based on 1 study

Add to Evidence Tracker

Fasting insulin levels

Usual care → Fasting insulin levels

Evidence Intelligence™

EvidenceScore™: Emerging; Score 59 · Based on 1 study
ImpactScore™: 50; Neutral
ConsistencyScore™: unclear; Not enough independent studies

Based on 1 study

Add to Evidence Tracker

Fasting Plasma Glucose (FPG)

Usual care → Fasting Plasma Glucose (FPG)

Evidence Intelligence™

EvidenceScore™: Strong; Score 79 · Based on 4 studies
ImpactScore™: 50; Neutral
ConsistencyScore™: 100; consistent

Based on 4 studies

Add to Evidence Tracker

HbA1c

Usual care → HbA1c

Evidence Intelligence™

EvidenceScore™: 86; Strong
ImpactScore™: 56; Slightly Positive
ConsistencyScore™: 89; consistent

Based on 9 studies

Add to Evidence Tracker

Postprandial blood glucose

Usual care → Postprandial blood glucose

Evidence Intelligence™

EvidenceScore™: Moderate; Score 69 · Based on 2 studies
ImpactScore™: 50; Neutral
ConsistencyScore™: 100; consistent

Based on 2 studies

Add to Evidence Tracker

Treatment satisfaction

Usual care → Treatment satisfaction

Evidence Intelligence™

EvidenceScore™: Emerging; Score 59 · Based on 1 study
ImpactScore™: 50; Neutral
ConsistencyScore™: unclear; Not enough independent studies

Based on 1 study

Add to Evidence Tracker

Evidence Library

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Evidence Suggest

Fasting plasma glucose decreased significantly by 2 mmol/L in the EG.
Patient satisfaction in the EG was substantially higher than in the RG.
Glycated hemoglobin improved by 0.5% in the EG group.

Who this applies to

Adults diagnosed with Type 2 diabetes.
Patients requiring insulin therapy.
Individuals seeking improved diabetes management strategies.

Keep in Mind

Results may not apply to all diabetes populations.
The intervention's effectiveness may vary based on individual patient characteristics.
Further studies are needed to confirm long-term benefits.

Between the Lines

The study's sample size may limit generalizability.
Potential confounding factors were not fully controlled.
The follow-up duration may not capture long-term effects.

Evidence Library

Build your evidence library

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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 Usual care and HbA1c, Insulin Therapies and HbA1c.

Related evidence relationships

Explore in Evidence Explorer

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

Behavioral & Lifestyle

Detailed evidence

Usual care → HbA1c

Behavioral & Lifestyle

Evidence Intelligence™

EvidenceScore™: 86; Strong
ImpactScore™: 56; Slightly Positive
ConsistencyScore™: 89; consistent

Based on 9 studies

View evidence

Medications

Detailed evidence

Insulin Therapies → HbA1c

Medications

Evidence Intelligence™

EvidenceScore™: Strong; Score 79 · Based on 4 studies
ImpactScore™: 88; Very Positive
ConsistencyScore™: 75; consistent

Based on 4 studies

View evidence

Included in these evidence collections

Curated evidence collections and hubs this study is part of.

HbA1c Evidence Hub

All studies measuring HbA1c

9 studies

outcome_hub

Measures HbA1c as a key outcome.

Usual care Evidence Hub

All studies on Usual care

9 studies

intervention_hub

Contributes to Usual care evidence base.

Insulin Therapies Evidence Hub

All studies on Insulin Therapies

4 studies

intervention_hub

Contributes to Insulin Therapies evidence base.

Recent Diabetes Research

Latest published studies

recency_collection

Published within the last 2 years.

Explore more in Evidence Explorer

Jump to pre-filtered views in Evidence Explorer.

All studies on Usual care and HbA1c

Intervention: Usual careOutcome: HbA1c

9 results

All studies on Insulin therapy and HbA1c

Intervention: Insulin therapyOutcome: HbA1c

4 results

All studies on Usual care

Intervention: Usual care

9 results

All studies on Insulin therapy

Intervention: Insulin therapy

4 results

All studies measuring HbA1c

Outcome: HbA1c

9 results

Questions answered by this study

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

Does Insulin Therapies improve HbA1c?

Strong Evidence

Insulin Therapies may improve HbA1c.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

1
HbA1c
EvidenceScore™ Strong | EvidenceScore™ 79.0 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 11 supporting studies with generally consistent results and a positive effect signal.

Limitations

Population details are unavailable.

View Full Evidence

Does Insulin Therapies improve insulin resistance?

Strong Evidence

Insulin Therapies appears to improve Insulin Resistance.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

1
Fasting insulin levels
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on 6 supporting studies with consistent results and a positive effect signal.

Limitations

Population details are unavailable.

View Full Evidence

Does Insulin Therapies improve fasting glucose?

Strong Evidence

Insulin Therapies appears to improve Fasting Glucose.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

1
Fasting Plasma Glucose (FPG)
EvidenceScore™ Moderate | EvidenceScore™ 69.0 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 7 supporting studies with consistent results and a positive effect signal.

Limitations

Population details are unavailable.

View Full Evidence

Does Insulin Therapies improve postprandial and ogtt glucose?

Strong Evidence

Insulin Therapies appears to improve Postprandial and OGTT Glucose.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

1
Postprandial blood glucose
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on 4 supporting studies with consistent results and a positive effect signal.

Limitations

Population details are unavailable.

View Full Evidence

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Next steps

Continue your research

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Evidence topics

Follow the topics this study contributes to.

Glycemic Control Evidence Hub HbA1c Reduction Evidence Hub Insulin Therapies Evidence Hub

Explore in Evidence Explorer

Open broader Evidence Explorer views for this relationship.

All studies on Usual care and HbA1c All studies on Insulin therapy and HbA1c All studies on Usual care and Fasting Plasma Glucose (FPG)All studies on Insulin therapy and Fasting Plasma Glucose (FPG)

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