Clinical evidence dossier
Calorie restriction
HbA1c
Evidence signal
Authoritative evidence signal
strong
This is an authoritative evidence signal supplied by Clinical Reference. It is not a formal clinical grade, treatment recommendation, or pooled effect estimate.
Evidence snapshot
- Authoritative support records
- 4
- Supporting studies available for review
- 4
- Randomized trials
- 4
- Reported effects
- 10
Clinical conclusion
Calorie restriction shows a strong positive evidence signal for improving HbA1c across the studied comparisons.
Observed effects
Observed study estimates; not a pooled treatment effect.
Change from baseline
Absolute change
-1.5 to -1.5 %
Between-group effect
Absolute change
-0.5 to -0.2 %
Change from baseline
Mean difference
-1.36 to 0 %
Evidence composition
- Non-randomized studies
- 0
- Other designs
- 0
- Unresolved designs
- 0
- Magnitude-eligible effects
- 7
Consistency
Authoritative consistency classification
consistent
- Positive
- 3
- No effect
- 1
- Mixed
- 0
- Negative
- 0
Population and applicability
Structured population data were available for 4 of 4 supporting studies. 4 studies described participants with type 2 diabetes. 4 studies described adult participants.
This population information refers to the materialized supporting studies available for review. Omitted support records remain part of the authoritative support accounting and are available through the audit experience.
View reported population descriptions
These descriptions are reported across the supporting studies; they are not a single synthesized population.
- Adults diagnosed with type 2 diabetes.
- Individuals seeking dietary interventions for diabetes management.
- Individuals looking for effective dietary strategies for weight loss.
- Adults newly diagnosed with type 2 diabetes.
- Individuals seeking dietary interventions for obesity management.
- Adults aged 18-65 with Type 2 Diabetes.
- Individuals seeking weight loss strategies.
Limitations
- Evidence uses heterogeneous comparison contexts: active_comparator, usual_care.
Supporting evidence
Inspect the authoritative studies and omitted support records for this dossier.