Findings

What do systematic reviews say?

4,760 questions · 8,065 findings · 1,036 reviews

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No studies found 1,686 · 20.9%GRADE not reported 675 · 8.4%Very low 1,953 · 24.2%Low 2,048 · 25.4%Moderate 1,296 · 16.1%High 407 · 5%

Ranked among the 5,000 newest matching findings; add words or filters to narrow the search.

LABA/LAMA vs LABA

Severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA showed no clear difference in severe exacerbations: low‐risk population compared with LABA (moderate certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 0.78 [0.55, 1.12]
6 studies · 2898 participants
Moderate

LABA/LAMA vs LABA

Pneumonia: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA showed no clear difference in pneumonia: low‐risk population compared with LABA (moderate certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 1.54 [0.95, 2.49]
10 studies · 8252 participants
Moderate

LABA/LAMA vs LABA plus inhaled corticosteroid (ICS)

Moderate to severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA showed no clear difference in moderate to severe exacerbations: low‐risk population compared with LABA/ICS (moderate certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 0.86 [0.65, 1.14]
6 studies · 4315 participants
Moderate

LABA/ICS vs LAMA

Moderate to severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/ICS showed no clear difference in moderate to severe exacerbations: low‐risk population compared with LAMA (low certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 0.63 [0.24, 1.66]
1 study · 623 participants
Low

LABA/ICS vs LAMA

Severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/ICS showed no clear difference in severe exacerbations: low‐risk population compared with LAMA (low certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 3.05 [0.32, 29.47]
1 study · 623 participants
Low

LABA/ICS vs LAMA

Pneumonia: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/ICS showed no clear difference in pneumonia: low‐risk population compared with LAMA (low certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 5.82 [0.7, 48.8]
2 studies · 885 participants
Low

LABA/ICS vs LABA

Moderate to severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/ICS probably leads to lower moderate to severe exacerbations: low‐risk population compared with LABA (moderate certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 0.83 [0.7, 0.98]
6 studies · 6689 participants
Moderate

LABA/ICS vs LABA

Severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/ICS showed no clear difference in severe exacerbations: low‐risk population compared with LABA (high certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 1.06 [0.9, 1.24]
6 studies · 6482 participants
High

LABA/ICS vs LABA

Pneumonia: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/ICS leads to higher pneumonia: low‐risk population compared with LABA (high certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 1.64 [1.25, 2.14]
6 studies · 6705 participants
High

LAMA vs LABA

Moderate to severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LAMA showed no clear difference in moderate to severe exacerbations: low‐risk population compared with LABA (moderate certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 0.92 [0.79, 1.07]
5 studies · 4567 participants
Moderate

LAMA vs LABA

Severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LAMA showed no clear difference in severe exacerbations: low‐risk population compared with LABA (low certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 0.64 [0.36, 1.13]
4 studies · 3320 participants
Low

LAMA vs LABA

Pneumonia: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LAMA showed no clear difference in pneumonia: low‐risk population compared with LABA (moderate certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 1.01 [0.61, 1.69]
10 studies · 11338 participants
Moderate

LABA/LAMA vs LABA plus inhaled corticosteroid (ICS)

Severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA showed no clear difference in severe exacerbations: low‐risk population compared with LABA/ICS (moderate certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 0.66 [0.27, 1.63]
4 studies · 2860 participants
Moderate

LABA/LAMA vs LABA plus inhaled corticosteroid (ICS)

Pneumonia: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA probably leads to lower pneumonia: low‐risk population compared with LABA/ICS (moderate certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 0.43 [0.19, 0.97]
7 studies · 5395 participants
Moderate

LABA/LAMA vs LAMA

Moderate to severe exacerbations: low‐risk population · chronic obstructive pulmonary disease with predicted FEV1 of less than 80%

LABA/LAMA showed no clear difference in moderate to severe exacerbations: low‐risk population compared with LAMA (low certainty).

1 finding from 1 review

Dual combination therapy versus long‐acting bronchodilators alone for chronic obstructive pulmonary disease (COPD): a… 2018 · Cochrane Headline outcomes only
OR 0.93 [0.66, 1.3]
8 studies · 5192 participants
Low

Standard‐dose adjuvant radiotherapy alone vs adjuvant chemoradiotherapy

Swallowing ability · patients with HPV‐positive oropharyngeal carcinoma who have received minimally invasive transoral surgery

The review found no eligible studies for this question.

1 finding from 1 review

De‐intensified adjuvant (chemo)radiotherapy versus standard adjuvant chemoradiotherapy post transoral minimally… 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Acupuncture vs advice plus exercise

Symptom severity (modified WOMAC total) (range 0‐1,600, with lower scores indicating decrease in symptom severity) · patients with hip osteoarthritis

1 finding from 1 review

Acupuncture for hip osteoarthritis 2018 · Cochrane Headline outcomes only
no estimate extracted
1 study · 28 participants
Very low

3% prilocaine, 0.03 IU felypressin vs 2% lidocaine, 1:100,000 epinephrine

Adverse effects: paraesthesia following injection · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario studies in which…

The review found no eligible studies for this question.

1 finding from 1 review

Injectable local anaesthetic agents for dental anaesthesia 2018 · Cochrane All outcomes
SoF: Not measured.
0 studies
No studies found

2% mepivacaine, 1:100,000 epinephrine vs 2% lidocaine, 1:100,000 epinephrine

Adverse effects: paraesthesia following injection · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario studies in which…

The review found no eligible studies for this question.

1 finding from 1 review

Injectable local anaesthetic agents for dental anaesthesia 2018 · Cochrane All outcomes
SoF: Not measured.
0 studies
No studies found

4% articaine, 1:100,000 epinephrine vs 2% mepivacaine, 1:100,000 epinephrine

Adverse effects: paraesthesia following injection · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario studies in which…

The review found no eligible studies for this question.

1 finding from 1 review

Injectable local anaesthetic agents for dental anaesthesia 2018 · Cochrane All outcomes
SoF: Not measured.
0 studies
No studies found