Placebo or diet and exercise Diagnostic criteria: 3 trials applied the WHO 1985 criteria (FPG <7.8 mmol/L and 2‐hour glucose ≥7.8 mmol/L and <11.1 mmol/L after a 75 g OGTT) (Fang 2004; Li 1999; Lu 2002). 5 trials applied the WHO 1999 criteria (FPG... · people at increased risk for developing type 2 diabetes
Summary of findings table for metformin probably leads to lower placebo or diet and exercise Diagnostic criteria: 3 trials applied… compared with diet and exercise or another antidiabetic drug (moderate certainty).
1 finding from 1 review
Intensive diet plus exercise Diagnostic criteria: 1 trial applied the WHO 1985 criteria (FPG < 7.8 mmol/L and 2‐hour glucose ≥ 7.8 mmol/L and < 11.1 mmol/L) (Fang 2004) · people at increased risk for developing type 2 diabetes
Summary of findings table for metformin showed no clear difference in intensive diet plus exercise Diagnostic criteria: 1 trial applied… compared with diet and exercise or another antidiabetic drug (moderate certainty).
1 finding from 1 review
Acarbose Diagnostic criteria: 1 trial applied the WHO 1985 criteria (FPG < 7.8 mmol/L and 2‐hour glucose ≥ 7.8 mmol/L and < 11.1 mmol/L) (Fang 2004). 1 trial applied the WHO 1999 criteria (FPG ≥ 7.0 mmol/L and/or a 2‐hpur glucose ≥ 11.1 mmol/L aft... · people at increased risk for developing type 2 diabetes
Summary of findings table for metformin showed no clear difference in acarbose Diagnostic criteria: 1 trial applied the WHO 1985 criteria… compared with diet and exercise or another antidiabetic drug (low certainty).
1 finding from 1 review
All‐cause mortality · people at increased risk for developing type 2 diabetes
1 finding from 1 review
Development of type 2 diabetes · people at increased risk for developing type 2 diabetes
It is very uncertain whether summary of findings table for metformin plus intensive diet and… changes incidence of type 2 diabetes mellitus (N) Diagnostic criteria: 2… compared with intensive diet and exercise (very low certainty).
1 finding from 1 review
Serious adverse events · people at increased risk for developing type 2 diabetes
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Cardiovascular mortality · people at increased risk for developing type 2 diabetes
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Non‐fatal myocardial infarction/stroke · people at increased risk for developing type 2 diabetes
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Health‐related quality of life · people at increased risk for developing type 2 diabetes
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Socioeconomic effects Description: direct medical costs per participant · people at increased risk for developing type 2 diabetes
1 finding from 1 review
All‐cause mortality
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Health‐related quality of life
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Cardiovascular mortality
1 finding from 1 review
Non‐fatal MI
1 finding from 1 review
Non‐fatal stroke
1 finding from 1 review
End‐stage renal disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
All‐cause mortality
It is very uncertain whether summary of findings of metformin monotherapy for adults with type 2… changes all‐cause mortality compared with thiazolidinediones (very low certainty).
1 finding from 1 review
SAEs
It is very uncertain whether summary of findings of metformin monotherapy for adults with type 2… changes serious adverse events (SAE) compared with thiazolidinediones (very low certainty).
1 finding from 1 review
Health‐related quality of life
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Cardiovascular mortality
It is very uncertain whether summary of findings of metformin monotherapy for adults with type 2… changes cardiovascular mortality (CVM) compared with thiazolidinediones (very low certainty).
1 finding from 1 review