What do systematic reviews say?

Adverse event outcomes for dietary combined with physical activity interventions vs usual care

It is very uncertain whether diet plus physical activity changes all‐cause mortality compared with standard treatment (very low certainty).

• Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
  RR 1.12 [0.5, 2.5]
  10 studies · 4099 participants
  Very low

Adverse event outcomes for dietary combined with physical activity interventions vs usual care

Diet plus physical activity probably leads to lower incidence of type 2 diabetes mellitus Diagnostic criteria: 3 trials… compared with standard treatment (moderate certainty).

• Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
  RR 0.57 [0.5, 0.64]
  11 studies · 4511 participants
  Moderate

Adverse event outcomes for dietary combined with physical activity interventions vs usual care

• Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 250 participants
  Low

Adverse event outcomes for dietary combined with physical activity interventions vs usual care

It is very uncertain whether diet plus physical activity changes cardiovascular mortality compared with standard treatment (very low certainty).

• Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
  RR 0.94 [0.24, 3.65]
  7 studies · 3263 participants
  Very low

Adverse event outcomes for dietary combined with physical activity interventions vs usual care

• Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 102 participants
  Low

Adverse event outcomes for dietary combined with physical activity interventions vs usual care

• Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 2144 participants
  Very low

Adverse event outcomes for dietary combined with physical activity interventions vs usual care

• Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 2775 participants
  Low