Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

864 questions · 895 findings · 140 reviews · Headline outcomes only

No studies found 202 · 22.6%GRADE not reported 53 · 5.9%Very low 227 · 25.4%Low 254 · 28.4%Moderate 131 · 14.6%High 28 · 3.1%

n3PUFAs vs placebo

Depressive symptomology (continuous) HDRS where possible; higher scores indicate greater symptomology · adults with Major Depressive Disorder
1 finding from 1 review

Intervention not reported

Duration of continuous positive airway pressure therapy (hours or days) · preterm infants less than 30 weeks' gestational age requiring conventional mechanical ventilation for respiratory distress syndrome

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Registration intention: ICC adjusted (continuous) · increasing solid organ donor registration
1 finding from 1 review

Pay for performance (P4P) plus existing payment methods vs existing payment methods

Quantity of service provision (continuous) ‐ immunisation rates for patients aged 65 years or older · healthcare providers working in outpatient healthcare settings

It is very uncertain whether pay for performance (P4P) plus existing payment methods changes quantity of service provision (continuous) ‐ immunisation rates for… compared with existing payment methods (very low certainty).

1 finding from 1 review

Pay for performance (P4P) plus existing payment methods vs existing payment methods

Quantity of service provision (continuous) ‐ number of detailed disease‐related consultation services per 100 prescriptions · healthcare providers working in outpatient healthcare settings

Pay for performance (P4P) plus existing payment methods may leads to higher quantity of service provision (continuous) ‐ number of detailed… compared with existing payment methods (low certainty).

1 finding from 1 review

Salbutamol vs placebo/no treatment

Need for continuous positive airway pressure (yes/no) · patients with the management of transient tachypnea of the newborn

It is very uncertain whether salbutamol changes need for continuous positive airway pressure (yes/no) compared with placebo/no treatment (very low certainty).

1 finding from 1 review

Active stimulation vs Placebo (sham/placebo device)

Pain intensity VAS (0 to 100; 0 = no pain, 100 = worst pain) · adults with chronic pain
3 findings from 1 review

Active stimulation + other intervention vs other intervention alone

Pain intensity VAS (0 to 100; 0 = no pain, 100 = worst pain) · adults with chronic pain
3 findings from 1 review