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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

1,956 questions in 143 reviews · Musculoskeletal

current versions
No studies 555 · 28.4%Ungraded 107 · 5.5%Very low 255 · 13%Low 555 · 28.4%Moderate 357 · 18.3%High 127 · 6.5%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Any cold therapy vs no cold therapy following total knee replacement
Blood lossTime point: mean 48 hours, range 1 to 13 days. Higher blood loss indicates a worse outcome. · people undergoing total knee replacement
Cryotherapy following total knee replacement (2023) · Cochrane
no estimate extracted12 studies · 956 participantsLow
Any cold therapy vs no cold therapy following total knee replacement
Pain at post‐operative day 2Scale from 0 (best) to 10 (worst). · people undergoing total knee replacement
Cryotherapy following total knee replacement (2023) · Cochrane
no estimate extracted6 studies · 530 participantsLow
Any cold therapy vs no cold therapy following total knee replacement
Transfusion rate · people undergoing total knee replacement
Cryotherapy following total knee replacement (2023) · Cochrane
RR 2.13 [0.04, 109.63]2 studies · 91 participantsVery low
Any cold therapy vs no cold therapy following total knee replacement
Range of motion at dischargeScale from 0 (worst) to 125 (best). · people undergoing total knee replacement
Cryotherapy following total knee replacement (2023) · Cochrane
no estimate extracted3 studies · 174 participantsLow
Any cold therapy vs no cold therapy following total knee replacement
Function Standardised scale with positive score indicating a better outcome. Scale from 0 (worst) to 100 (best). · people undergoing total knee replacement
Cryotherapy following total knee replacement (2023) · Cochrane
no estimate extracted4 studies · 296 participantsVery low
Any cold therapy vs no cold therapy following total knee replacement
Total adverse eventsAdverse events included discomfort, local skin reactions, superficial infections, cold‐induced injuries and thrombolytic events. · people undergoing total knee replacement
Cryotherapy following total knee replacement (2023) · Cochrane
RR 1.3 [0.53, 3.2]16 studies · 1199 participantsVery low
Any cold therapy vs no cold therapy following total knee replacement
Withdrawals due to adverse events · people undergoing total knee replacement
Cryotherapy following total knee replacement (2023) · Cochrane
RR 2.71 [0.42, 17.38]19 studies · 1347 participantsVery low
McKenzie therapy vs minimal intervention
Pain intensity: short‐term (closest to 2 weeks) NRS (scale from 0‐100, 0 is no pain) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extracted2 studies · 328 participantsLow
McKenzie therapy vs manual therapy
Adverse events · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extractedNRNo studies
McKenzie therapy vs other interventions
Pain intensity: short‐term (closest to 2 weeks) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extractedNRNo studies
McKenzie therapy vs other interventions
Pain intensity: intermediate‐term (closest to 3 months) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extractedNRNo studies
McKenzie therapy vs other interventions
Disability: short‐term (closest to 2 weeks) ODI (scale from 0‐100, 0 is no disability) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extracted1 study · 30 participantsVery low
McKenzie therapy vs other interventions
Disability: intermediate‐term (closest to 3 months) ODI (scale from 0‐100, 0 is no disability) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extracted1 study · 25 participantsVery low
McKenzie therapy vs other interventions
Adverse events · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extractedNRNo studies
McKenzie therapy vs minimal intervention
Pain intensity: intermediate‐term (closest to 3 months) NRS (scale from 0‐100, 0 is no pain) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extracted1 study · 180 participantsLow
McKenzie therapy vs minimal intervention
Disability: short‐term (closest to 2 weeks) RMDQ (scale from 0‐100, 0 is no disability) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extracted2 studies · 328 participantsLow
McKenzie therapy vs minimal intervention
Disability: intermediate‐term (closest to 3 months) RMDQ (scale from 0‐100, 0 is no disability) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extracted1 study · 180 participantsLow
McKenzie therapy vs minimal intervention
Adverse events · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extractedNRNo studies
McKenzie therapy vs manual therapy
Pain intensity: short‐term (closest to 2 weeks)a Multiples scales (scale from 0‐100, 0 is no pain) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extracted3 studies · 298 participantsLow
McKenzie therapy vs manual therapy
Pain intensity: intermediate‐term (closest to 3 months) NRS (scale from 0‐100, 0 is no pain) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extracted1 study · 235 participantsLow
McKenzie therapy vs manual therapy
Disability: short‐term (closest to 2 weeks)a Multiples scales (scale from 0‐100, 0 is no disability) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extracted3 studies · 298 participantsLow
McKenzie therapy vs manual therapy
Disability: intermediate‐term (closest to 3 months) RMDQ (scale from 0‐100, 0 is no disability) · patients with non‐specific acute and subacute low back pain
The McKenzie method for (sub)acute non‐specific low back pain (2023) · Cochrane
no estimate extracted1 study · 235 participantsLow
Calcium vs placebo
Total hip BMD · premenopausal women (age 18−47.3 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extracted3 studies · 174 participantsLow
Vitamin D vs placebo
Quality of life · premenopausal women (age 18–32.7 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Vitamin D vs placebo
Vertebral fracture · premenopausal women (age 18–32.7 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Vitamin D vs placebo
Non‐vertebral fracture · premenopausal women (age 18–32.7 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Vitamin D vs placebo
Withdrawals from the study for any reason · premenopausal women (age 18–32.7 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
RR 0.74 [0.46, 1.19]2 studies · 189 participantsModerate
Vitamin D vs placebo
Serious adverse events · premenopausal women (age 18–32.7 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Calcium and vitamin D vs placebo
Total hip BMD · premenopausal women (ages 18–36 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extracted1 study · 408 participantsModerate
Calcium and vitamin D vs placebo
Lumbar spine BMD · premenopausal women (ages 18–36 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extracted1 study · 76 participantsModerate
Calcium and vitamin D vs placebo
Quality of life · premenopausal women (ages 18–36 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Calcium and vitamin D vs placebo
Vertebral fracture · premenopausal women (ages 18–36 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Calcium and vitamin D vs placebo
Non‐vertebral fracture · premenopausal women (ages 18–36 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Calcium vs placebo
Lumbar spine BMD (mean SD and % change) · premenopausal women (age 18−47.3 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extracted4 studies · 202 participantsLow
Calcium and vitamin D vs placebo
Withdrawals from the study for any reason · premenopausal women (ages 18–36 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
RR 0.82 [0.29, 2.35]2 studies · 541 participantsLow
Calcium and vitamin D vs placebo
Serious adverse events · premenopausal women (ages 18–36 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Calcium vs placebo
Quality of life · premenopausal women (age 18−47.3 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Calcium vs placebo
Vertebral fracture · premenopausal women (age 18−47.3 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Calcium vs placebo
Non‐vertebral fracture · premenopausal women (age 18−47.3 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Calcium vs placebo
Withdrawals from the study for any reason · premenopausal women (age 18−47.3 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
RR 0.78 [0.52, 1.16]4 studies · 261 participantsModerate
Calcium vs placebo
Serious adverse events · premenopausal women (age 18−47.3 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Vitamin D vs placebo
Total hip BMD · premenopausal women (age 18–32.7 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Vitamin D vs placebo
Lumbar spine BMD · premenopausal women (age 18–32.7 years)
Calcium and vitamin D for increasing bone mineral density in premenopausal women (2023) · Cochrane
no estimate extractedNRNo studies
Phosphodiesterase 5 inhibitors (PDE5i) vs placebo
Frequency of attacks per week · adults with Raynaud's phenomenon (primary or secondary)
Phosphodiesterase 5 inhibitors (PDE5i) for the treatment of Raynaud's phenomenon (2023) · Cochrane
no estimate extractedNRLow
Phosphodiesterase 5 inhibitors (PDE5i) vs placebo
Duration of attacks per day (minutes) · adults with Raynaud's phenomenon (primary or secondary)
Phosphodiesterase 5 inhibitors (PDE5i) for the treatment of Raynaud's phenomenon (2023) · Cochrane
no estimate extractedNRLow
Phosphodiesterase 5 inhibitors (PDE5i) vs placebo
Severity of Raynaud's attack · adults with Raynaud's phenomenon (primary or secondary)
Phosphodiesterase 5 inhibitors (PDE5i) for the treatment of Raynaud's phenomenon (2023) · Cochrane
no estimate extractedNRVery low
Phosphodiesterase 5 inhibitors (PDE5i) vs placebo
Pain intensity · adults with Raynaud's phenomenon (primary or secondary)
Phosphodiesterase 5 inhibitors (PDE5i) for the treatment of Raynaud's phenomenon (2023) · Cochrane
no estimate extractedNRLow
Phosphodiesterase 5 inhibitors (PDE5i) vs placebo
Patient global · adults with Raynaud's phenomenon (primary or secondary)
Phosphodiesterase 5 inhibitors (PDE5i) for the treatment of Raynaud's phenomenon (2023) · Cochrane
no estimate extractedNRLow
Phosphodiesterase 5 inhibitors (PDE5i) vs placebo
Withdrawals due to adverse events · adults with Raynaud's phenomenon (primary or secondary)
Phosphodiesterase 5 inhibitors (PDE5i) for the treatment of Raynaud's phenomenon (2023) · Cochrane
no estimate extractedNRModerate
Phosphodiesterase 5 inhibitors (PDE5i) vs placebo
Serious adverse events · adults with Raynaud's phenomenon (primary or secondary)
Phosphodiesterase 5 inhibitors (PDE5i) for the treatment of Raynaud's phenomenon (2023) · Cochrane
no estimate extractedNRModerate