Clinical evidence dossier
Standard diet
HbA1c
Evidence signal
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
- 8
Clinical conclusion
Standard diet shows a moderate positive evidence signal for improving HbA1c across the studied comparisons.
The conclusion and evidence-signal classification are distinct authoritative fields and are reproduced as published.
Observed effects
Observed study estimates; not a pooled treatment effect.
Change from baseline
Absolute change
−0.7% to 0%
Change from baseline
Absolute change
−1.9 mmol/mol to −1.9 mmol/mol
Change from baseline
Mean difference
−1.9 mmol/mol to −1.9 mmol/mol
Between-group effect
Mean difference
−3 mmol/mol to −2 mmol/mol
Evidence composition
- Non-randomized studies
- 0
- Other designs
- 0
- Unresolved designs
- 0
- Magnitude-eligible effects
- 8
Consistency
Consistency classification
Mixed
- Positive
- 2
- No effect
- 2
- Mixed
- 0
- Negative
- 0
Population and applicability
Structured population data were available for 4 of 4 supporting studies. 3 studies described participants with type 2 diabetes. 3 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 to improve dietary management through carbohydrate counting.
- Adults diagnosed with type 2 diabetes
- Individuals seeking dietary interventions for blood sugar management
- Overweight and obese patients with heart failure.
- Individuals diagnosed with diabetes mellitus.
- Adults diagnosed with early-stage type 2 diabetes mellitus.
- Patients looking for dietary interventions to manage blood sugar levels.
Limitations
- Upstream consistency scoring indicates mixed findings across the evidence.
- Evidence uses heterogeneous comparison contexts: active_comparator, usual_care.
- 1 supporting study has high, serious, critical, unclear, or unavailable risk-of-bias information.
- 2 of 4 studies with duration data have follow-up of 12 weeks or less.
Supporting evidence
Inspect the authoritative studies and omitted support records for this dossier.