Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

258 questions · 263 findings · 32 reviews

No studies found 75 · 28.5%GRADE not reported 30 · 11.4%Very low 58 · 22.1%Low 61 · 23.2%Moderate 31 · 11.8%High 8 · 3%

Continuous positive airway pressure (CPAP) plus best supportive care vs best supportive care

All‐cause mortality ‐ after 24 months Number of participants: 287(2 RCTs)

It is very uncertain whether continuous positive airway pressure (CPAP) plus best supportive care changes all‐cause mortality ‐ after 24 months Number of participants: 287(2… compared with best supportive care (very low certainty).

1 finding from 1 review

Continuous positive airway pressure (CPAP) plus best supportive care vs best supportive care

Time to life‐saving cardiovascular intervention

Continuous positive airway pressure (CPAP) plus best supportive care may leads to lower time to life‐saving cardiovascular intervention ( compared with best supportive care (low certainty).

1 finding from 1 review

Oestrogen in combination with progestogen (sequential or continuous) vs placebo

Withdrawals due to adverse events · women with PMS

It is very uncertain whether oestrogen in combination with progestogen (sequential or continuous) changes withdrawal due to adverse events over 2 to 4 menstrual cycles1 compared with placebo (very low certainty).

1 finding from 1 review

Oestrogen in combination with progestogen (sequential or continuous) vs placebo

Specific adverse events · women with PMS

It is very uncertain whether oestrogen in combination with progestogen (sequential or continuous) changes specific adverse events over 2 to 4 menstrual cycles1 compared with placebo (very low certainty).

1 finding from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Patient-reported altered sensation (spontaneous or evoked: anaesthesia/paraesthesia/dysaesthesia/hyperalgesia/allodynia) · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

It is very uncertain whether low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… changes patient-reported altered sensation (spontaneous or evoked:… compared with placebo (sham) laser therapy (very low certainty).

2 findings from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Somatosensory evoked potentials · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

The review found no eligible studies for this question.

1 finding from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Mechanosensory perception (load in grams to elicit sensation; Semmes Weinstein monofilaments) · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… led to higher mechanosensory perception (load in grams to elicit sensation; Semmes… compared with placebo (sham) laser therapy; GRADE not reported.

1 finding from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Thermosensory (thermal) perception · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… showed no clear difference in thermosensory (thermal) perception compared with placebo (sham) laser therapy; GRADE not reported.

1 finding from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Patient satisfaction · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

The review found no eligible studies for this question.

1 finding from 1 review