Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,155 questions · 1,191 findings · 195 reviews · Headline outcomes only

No studies found 209 · 17.5%GRADE not reported 51 · 4.3%Very low 256 · 21.5%Low 273 · 22.9%Moderate 284 · 23.8%High 118 · 9.9%

Intervention not reported

Quality of life (Asthma Quality of Life Questionnaire, with 32 items, 0 to 7 points per item) · People with asthma (mostly mild or moderate)
1 finding from 1 review
  • Yoga for asthma 2016 · Cochrane Headline outcomes only
    no estimate extracted
    5 studies · 375 participants
    Moderate

Intervention not reported

Asthma symptoms (different severity scores; change from baseline) · People with asthma (mostly mild or moderate)
1 finding from 1 review
  • Yoga for asthma 2016 · Cochrane Headline outcomes only
    no estimate extracted
    3 studies · 243 participants
    Moderate

Intervention not reported

Asthma control (weekly number of attacks) · People with asthma (mostly mild or moderate)
1 finding from 1 review
  • Yoga for asthma 2016 · Cochrane Headline outcomes only
    no estimate extracted
    2 studies · 226 participants
    Low

Intervention not reported

Forced expiratory volume in one second (change from baseline FEV1 (L)) · People with asthma (mostly mild or moderate)
1 finding from 1 review
  • Yoga for asthma 2016 · Cochrane Headline outcomes only
    no estimate extracted
    7 studies · 340 participants
    Very low

Intervention not reported

Reduced asthma medication usage · People with asthma (mostly mild or moderate)

The intervention may leads to higher reduced asthma medication usage (low certainty).

1 finding from 1 review
  • Yoga for asthma 2016 · Cochrane Headline outcomes only
    RR 5.35 [1.29, 22.11]
    2 studies · 48 participants
    Low

Intervention not reported

Adverse events · People with asthma (mostly mild or moderate)
1 finding from 1 review
  • Yoga for asthma 2016 · Cochrane Headline outcomes only
    no estimate extracted
    3 studies · 108 participants
    Very low

Systematic screening vs no/opportunistic screening

All‐cause mortality · general population including those at moderate to high risk of CVD, mean age between 30 and 75

Systematic screening showed no clear difference in all‐cause mortality compared with no/opportunistic screening (low certainty).

1 finding from 1 review

Systematic screening vs no/opportunistic screening

Total coronary heart disease · general population including those at moderate to high risk of CVD, mean age between 30 and 75

Systematic screening showed no clear difference in coronary heart disease (total) compared with no/opportunistic screening (low certainty).

1 finding from 1 review

Rivastigmine vs placebo

Change in capacity for activities of daily living · Apathy in people with mild‐to‐moderate Alzheimer's disease
1 finding from 1 review

Rivastigmine vs placebo

Physician rated global impression tests (no change or worse compared with baseline, measured using Global Impression of Change at 26 weeks) · Apathy in people with mild‐to‐moderate Alzheimer's disease

Rivastigmine probably leads to lower physician rated global impression tests (no change or worse compared… compared with placebo (moderate certainty).

1 finding from 1 review