Findings

What do systematic reviews say?

4,734 questions · 15,288 findings · 893 reviews

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No studies found 3,864 · 25.3%GRADE not reported 2,222 · 14.5%Very low 3,868 · 25.3%Low 3,280 · 21.5%Moderate 1,676 · 11%High 378 · 2.5%

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Talking therapies or stress management vs placebo or no treatment

Improvement in vertigo · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Talking therapies or stress management vs placebo or no treatment

Change in vertigo · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Talking therapies or stress management vs placebo or no treatment

Serious adverse events · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Talking therapies or stress management vs placebo or no treatment

CI: Confidence interval · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Vestibular rehabilitation vs placebo or no treatment

Improvement in vertigo · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Vestibular rehabilitation vs placebo or no treatment

Change in vertigo · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Topical anesthetics vs placebo or no intervention

Successful LP on first attempt № of LPs: 100(1 quasi‐RCT) · lumbar puncture in newborn infants

1 finding from 1 review

Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn infants 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
Very low

Topical anesthetics vs placebo or no intervention

Total number of LP attempts № of LPs: 100(1 quasi‐RCT) · lumbar puncture in newborn infants

1 finding from 1 review

Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn infants 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
Very low

Topical anesthetics vs placebo or no intervention

Episodes of bradycardia · lumbar puncture in newborn infants

1 finding from 1 review

Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn infants 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
Very low

Topical anesthetics vs placebo or no intervention

NFCS pain score during the procedure№ of infants: 112(2 RCTs) Score · lumbar puncture in newborn infants

1 finding from 1 review

Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn infants 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
Low

Topical anesthetics vs placebo or no intervention

Episodes of desaturation, defined as a decrease of SpO2 to less than 80%, with no minimum duration specified—not reported · lumbar puncture in newborn infants

1 finding from 1 review

Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn infants 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
Very low

Topical anesthetics vs placebo or no intervention

Apnea: number of episodesduring the procedure · lumbar puncture in newborn infants

The review found no eligible studies for this question.

1 finding from 1 review

Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn infants 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Topical anesthetics vs placebo or no intervention

Episodes of apnea · lumbar puncture in newborn infants

It is very uncertain whether topical anesthetics changes apnea: occurrence of one or more episodes№ of LPs: 100(1 quasi‐RCT) compared with placebo or no intervention (very low certainty).

1 finding from 1 review

Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn infants 2023 · Cochrane Headline outcomes only
RR 3.24 [0.14, 77.79]
Studies not reported
Very low

Superselective neck dissection vs Elective selective neck dissection

Adverse events associated with treatment · Adults with oral cavity cancer (tongue or floor of mouth) and clinically negative neck nodes

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancers: surgical treatment 2023 · Cochrane All outcomes
Adverse events: no adverse events reported; 72 participants (2 RCTs).
2 studies · 72 participants
Very low

Superselective neck dissection vs Elective selective neck dissection

Total mortality · Adults with oral cavity cancer (tongue or floor of mouth) and clinically negative neck nodes

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancers: surgical treatment 2023 · Cochrane All outcomes
Total mortality: not reported.
0 studies
No studies found

Light-emitting diode (LED) photobiomodulation vs Conventional orthodontic appliance treatment

Total number of orthodontic appliance adjustment appointments during treatment · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment

The review found no eligible studies for this question.

1 finding from 1 review

Non‐surgical adjunctive interventions for accelerating tooth movement in patients undergoing orthodontic treatment 2023 · Cochrane All outcomes
Total number of orthodontic appliance adjustment appointments required during treatment stage | Not reported
Studies not reported
No studies found

Supraomohyoid neck dissection vs Modified radical neck dissection

Disease-free survival · Adults with oral cavity or oropharyngeal cancer

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancers: surgical treatment 2023 · Cochrane All outcomes
Disease-free survival: not reported (Guo 2014 reported disease-specific survival, not a review outcome).
0 studies
No studies found

Sentinel node biopsy (neck dissection only if biopsy positive) vs Elective neck dissection

Total mortality · Adults with oral cavity or oropharyngeal cancer

Sentinel node biopsy (neck dissection only if biopsy positive) showed no clear difference in total mortality compared with elective neck dissection (low certainty).

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancers: surgical treatment 2023 · Cochrane All outcomes
3 years
HR 1.00 [0.90, 1.11]
1 study · 279 participants
Low

Surgery plus radiotherapy vs Chemotherapy (chemoradiotherapy)

Recurrence · Adults with oral cavity or oropharyngeal cancer

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancers: surgical treatment 2023 · Cochrane All outcomes
oral cavity
Recurrence: not reported for the oral cancer subgroup (Iyer 2015).
0 studies
No studies found

Surgery vs Radiotherapy alone

Disease-free survival · Adults with oropharyngeal cancer

Surgery showed no clear difference in disease-free survival (new disease, progression, and mortality) compared with radiotherapy alone (low certainty).

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancers: surgical treatment 2023 · Cochrane All outcomes
3 years
HR 1.07 [0.27, 4.22]
1 study · 68 participants
Low