Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,479 questions · 1,537 findings · 159 reviews

No studies found 364 · 23.7%GRADE not reported 125 · 8.1%Very low 455 · 29.6%Low 374 · 24.3%Moderate 193 · 12.6%High 26 · 1.7%

Postnatal pelvic floor muscle training vs control

Faecal incontinence late postnatal period (> 6‐12 months) · postnatal women some of whom had incontinent symptoms and some of whom had not when randomised

Postnatal pelvic floor muscle training showed no clear difference in faecal incontinence late postnatal period(> 6 to 12 months) compared with control (low certainty).

1 finding from 1 review

Postnatal pelvic floor muscle training vs control

Incontinence‐specific quality of life · postnatal women some of whom had incontinent symptoms and some of whom had not when randomised

Postnatal pelvic floor muscle training showed no clear difference in urinary incontinence‐specific quality of life (IIQ‐7)Scale from: 0… compared with control (low certainty).

1 finding from 1 review

Antenatal pelvic floor muscle training vs control

Incontinence‐specific quality of life · pregnant women who were continent when randomised

Antenatal pelvic floor muscle training showed no clear difference in urinary incontinence‐specific quality of life (ICIQ‐SF)Scale from: 0… compared with control (moderate certainty).

1 finding from 1 review

Group‐based parent training programmes vs control

Emotional and behavioural problems (parent report) Scales used: BSI‐II, BSQ, CAPES, CBCL, CBQ postintervention · young children

Group‐based parent training programmes showed no clear difference in emotional and behavioural problems (parent report) Scales used:… compared with control (low certainty).

1 finding from 1 review

Group‐based parent training programmes vs control

Externalising problems (parent report) Scales used: CBCL, ECBI postintervention · young children

Group‐based parent training programmes showed no clear difference in externalising problems (parent report) Scales used: CBCL, ECBI… compared with control (moderate certainty).

1 finding from 1 review

Group‐based parent training programmes vs control

Externalising problems ‐ hyperactivity‐inattention (parent report) Scales used: HSQ postintervention · young children

It is very uncertain whether group‐based parent training programmes changes externalising problems ‐ hyperactivity‐inattention (parent report)… compared with control (very low certainty).

1 finding from 1 review

Group‐based parent training programmes vs control

Internalising problems (parent report) Scale used: CAPES postintervention · young children

Group‐based parent training programmes showed no clear difference in internalising problems (parent report) Scale used: CAPES… compared with control (low certainty).

1 finding from 1 review

Group‐based parent training programmes vs control

Social skills (parent report) Scale used: VABS postintervention · young children

It is very uncertain whether group‐based parent training programmes changes social skills (parent report) Scale used: VABS postintervention compared with control (very low certainty).

1 finding from 1 review

Group‐based parent training programmes vs control

Parent‐child interaction ‐ negative behaviour (observer report) Scales used: DPICS, IBCS postintervention · young children

Group‐based parent training programmes showed no clear difference in parent‐child interaction ‐ negative behaviour (observer report)… compared with control (moderate certainty).

1 finding from 1 review

Group‐based parent training programmes vs control

Parent‐child interaction ‐ positive behaviour (observer report) Scales used: Attachment Q‐set, DPICS postintervention · young children

Group‐based parent training programmes probably leads to higher parent‐child interaction ‐ positive behaviour (observer report)… compared with control (moderate certainty).

1 finding from 1 review

Preoperative inspiratory muscle training vs usual care, non‐exercise intervention

Postoperative atelectasis original authors’ definitions · adult participants undergoing cardiac and major abdominal surgery

Preoperative inspiratory muscle training may leads to lower postoperative atelectasis original authors’ definitions compared with usual care, non‐exercise intervention (low certainty).

1 finding from 1 review

Preoperative inspiratory muscle training vs usual care, non‐exercise intervention

Postoperative pneumonia original authors’ definitions · adult participants undergoing cardiac and major abdominal surgery

Preoperative inspiratory muscle training probably leads to lower postoperative pneumonia original authors’ definitions compared with usual care, non‐exercise intervention (moderate certainty).

1 finding from 1 review

Preoperative inspiratory muscle training vs usual care, non‐exercise intervention

Mechanical ventilation > 48 hours · adult participants undergoing cardiac and major abdominal surgery

It is very uncertain whether preoperative inspiratory muscle training changes mechanical ventilation > 48 hours compared with usual care, non‐exercise intervention (very low certainty).

1 finding from 1 review