What do systematic reviews say?

Surgical abortion procedures: mid‐level providers vs doctors

Surgical abortion procedures: mid‐level providers showed no clear difference in total complications (RCTs) Provider assessment compared with doctors (low certainty).

• Doctors or mid‐level providers for abortion 2015 · Cochrane Headline outcomes only
  RR 3.07 [0.16, 59.08]
  2 studies · 2789 participants
  Low
• Doctors or mid‐level providers for abortion 2015 · Cochrane Headline outcomes only
  RR 1.36 [0.86, 2.14]
  4 studies · 16173 participants
  Very low

Medical abortion procedures: mid‐level providers vs doctors

Medical abortion procedures: mid‐level providers showed no clear difference in failure/incomplete abortion (RCTs) Provider assessment compared with doctors (high certainty).

• Doctors or mid‐level providers for abortion 2015 · Cochrane Headline outcomes only
  RR 0.81 [0.48, 1.36]
  2 studies · 1892 participants
  High

Medical abortion procedures: mid‐level providers vs doctors

It is very uncertain whether medical abortion procedures: mid‐level providers changes failure/incomplete abortion (observational studies) Verifier… compared with doctors (very low certainty).

• Doctors or mid‐level providers for abortion 2015 · Cochrane Headline outcomes only
  RR 1.09 [0.63, 1.88]
  1 study · 1164 participants
  Very low

Medical abortion procedures: mid‐level providers vs doctors

• Doctors or mid‐level providers for abortion 2015 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 1892 participants
  High

Parent‐only interventions vs waiting list control

• Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 101 participants
  Low

Parent‐only interventions vs minimal contact control

• Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 93 participants
  Low

Parent‐only interventions vs parent‐only interventions

• Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 106 participants
  GRADE not reported

Parent‐only interventions vs parent‐child interventions

The review found no eligible studies for this question.

• Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

The review found no eligible studies for this question.

• Surgical adjunctive procedures for accelerating orthodontic treatment 2015 · Cochrane All outcomes
  Results: 'Our prespecified secondary outcomes of patient satisfaction, improvement in occlusion, and prolonged stability of treatment were not measured in the trials.'
  0 studies
  No studies found

Intervention not reported

• Methotrexate for treating rheumatoid arthritis 2014 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 298 participants
  Moderate

Preoperative education vs usual care

The review found no eligible studies for this question.

• Preoperative education for hip or knee replacement 2014 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Preoperative education vs usual care

The review found no eligible studies for this question.

• Preoperative education for hip or knee replacement 2014 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Massage + phonophoresis vs phonophoresis alone

The review found no eligible studies for this question.

• Deep transverse friction massage for treating lateral elbow or lateral knee tendinitis 2014 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Deep transverse massage + physical therapy vs physical therapy alone

The review found no eligible studies for this question.

• Deep transverse friction massage for treating lateral elbow or lateral knee tendinitis 2014 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Massage + ultrasound and placebo ointment vs ultrasound + placebo ointment only

The review found no eligible studies for this question.

• Deep transverse friction massage for treating lateral elbow or lateral knee tendinitis 2014 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Primary comparison for continuous passive motion (CPM) vs no CPM

• Continuous passive motion following total knee arthroplasty in people with arthritis 2014 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 211 participants
  Very low

Cetirizine 10 to 20 mg vs placebo

Cetirizine 10 to 20 mg may leads to higher complete suppression of urticaria Global assessment of symptom scores compared with placebo (low certainty).

• H1‐antihistamines for chronic spontaneous urticaria 2014 · Cochrane Headline outcomes only
  RR 2.72 [1.51, 4.91]
  2 studies · 178 participants
  Low

Levocetirizine 5 to 20 mg vs placebo

• H1‐antihistamines for chronic spontaneous urticaria 2014 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 49 participants
  Low

Levocetirizine 5 to 20 mg vs placebo

• H1‐antihistamines for chronic spontaneous urticaria 2014 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 100 participants
  Low

Rupatadine 10 to 20 mg vs placebo

Rupatadine 10 to 20 mg may leads to higher good or excellent response Global assessment of symptom scores compared with placebo (low certainty).

• H1‐antihistamines for chronic spontaneous urticaria 2014 · Cochrane Headline outcomes only
  RR 1.35 [1.03, 1.77]
  1 study · 245 participants
  Low