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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)

1,590 questions in 129 reviews · Gynaecological, Neuro-oncology and Orphan Cancer

current versions
No studies 281 · 17.7%Ungraded 74 · 4.7%Very low 410 · 25.8%Low 420 · 26.4%Moderate 280 · 17.6%High 125 · 7.9%

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
Chemoradiotherapy vs radical surgery
Recurrence · women (18 years and older) diagnosed with stage IB2 cervical cancer
Type II or type III radical hysterectomy compared to chemoradiotherapy as a primary intervention for stage… (2018) · Cochrane
OR 2.26 [1.24, 4.14]1 study · 215 participantsVery low
Chemoradiotherapy vs radical surgery
Adverse events: lymphoedema · women (18 years and older) diagnosed with stage IB2 cervical cancer
Type II or type III radical hysterectomy compared to chemoradiotherapy as a primary intervention for stage… (2018) · Cochrane
no estimate extractedNRNo studies
Bevacizumab vs placebo
Reduction in oedema (T2 hyperintensity) · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
no estimate extracted1 study · 14 participantsLow
Edaravone plus corticosteroids vs corticosteroids
Change in neurocognitive function · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
no estimate extractedNRNo studies
Edaravone plus corticosteroids vs corticosteroids
Severe adverse events · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
no estimate extracted1 study · 137 participantsLow
Edaravone plus corticosteroids vs corticosteroids
Quality of life · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
no estimate extractedNRNo studies
Edaravone plus corticosteroids vs corticosteroids
Corticosteroid requirements · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
no estimate extractedNRNo studies
Bevacizumab vs placebo
Reduction in post‐gadolinium enhancement · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
no estimate extracted1 study · 14 participantsLow
Bevacizumab vs placebo
Reduction in neurological/clinical symptoms/severity · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
no estimate extracted1 study · 14 participantsVery low
Bevacizumab vs placebo
Severe adverse events · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
no estimate extracted1 study · 14 participantsLow
Bevacizumab vs placebo
Quality of life · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
no estimate extractedNRNo studies
Bevacizumab vs placebo
Corticosteroid requirements · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
no estimate extractedNRNo studies
Edaravone plus corticosteroids vs corticosteroids
Reduction in oedema (T2 hyperintensity) · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
MD 3.031 study · 137 participantsLow
Edaravone plus corticosteroids vs corticosteroids
Reduction in post‐gadolinium enhancement · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
MD 0.471 study · 137 participantsLow
Edaravone plus corticosteroids vs corticosteroids
Improvement in LENT/SOMA · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a…
Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery (2018) · Cochrane
OR 2.511 study · 137 participantsLow
Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery
Overall survival · people with single or solitary brain metastasis
Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis (2018) · Cochrane
HR 0.92 [0.48, 1.77]1 study · 64 participantsVery low
Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery plus WBRT
Quality of life (HRQoL) · people with single or solitary brain metastasis
Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis (2018) · Cochrane
no estimate extracted1 study · 14 participantsVery low
Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery
Adverse events · people with single or solitary brain metastasis
Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis (2018) · Cochrane
RR 0.31 [0.07, 1.44]1 study · 64 participantsVery low
Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery
Adverse events (moderate) · people with single or solitary brain metastasis
Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis (2018) · Cochrane
RR 0.62 [0.11, 3.5]1 study · 64 participantsVery low
Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery
Adverse events (severe) · people with single or solitary brain metastasis
Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis (2018) · Cochrane
RR 0.13 [0, 2.5]1 study · 64 participantsVery low
Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery
Progression‐free survival: not measured · people with single or solitary brain metastasis
Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis (2018) · Cochrane
no estimate extractedNRNo studies
Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery
Quality of life (HRQoL) · people with single or solitary brain metastasis
Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis (2018) · Cochrane
no estimate extracted1 study · 1 participantsVery low
Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery plus WBRT
Overall survival · people with single or solitary brain metastasis
Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis (2018) · Cochrane
HR 0.53 [0.2, 1.42]1 study · 21 participantsLow
Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery plus WBRT
Adverse events (moderate) · people with single or solitary brain metastasis
Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis (2018) · Cochrane
RR 0.37 [0.05, 2.98]1 study · 21 participantsVery low
Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery plus WBRT
Progression‐free survival · people with single or solitary brain metastasis
Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis (2018) · Cochrane
RR 0.55 [0.22, 1.38]1 study · 21 participantsLow
The effects of an exercise intervention vs a usual care control group with people with cancer undergoing multimodal treatment?
Physical fitness · People with cancer undergoing multimodal treatment including surgery
Exercise interventions for people undergoing multimodal cancer treatment that includes surgery (2018) · Cochrane
no estimate extracted2 studies · 381 participantsLow
The effects of an exercise intervention vs a usual care control group with people with cancer undergoing multimodal treatment?
Safety · People with cancer undergoing multimodal treatment including surgery
Exercise interventions for people undergoing multimodal cancer treatment that includes surgery (2018) · Cochrane
no estimate extracted8 studies · 507 participantsLow
The effects of an exercise intervention vs a usual care control group with people with cancer undergoing multimodal treatment?
HRQoL · People with cancer undergoing multimodal treatment including surgery
Exercise interventions for people undergoing multimodal cancer treatment that includes surgery (2018) · Cochrane
no estimate extracted3 studies · 472 participantsModerate
The effects of an exercise intervention vs a usual care control group with people with cancer undergoing multimodal treatment?
Fatigue · People with cancer undergoing multimodal treatment including surgery
Exercise interventions for people undergoing multimodal cancer treatment that includes surgery (2018) · Cochrane
no estimate extracted3 studies · 449 participantsModerate
The effects of an exercise intervention vs a usual care control group with people with cancer undergoing multimodal treatment?
Postoperative outcome · People with cancer undergoing multimodal treatment including surgery
Exercise interventions for people undergoing multimodal cancer treatment that includes surgery (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Extended‐field radiotherapy vs pelvic radiotherapy
Overall survival
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
HR 0.67 [0.48, 0.94]1 study · 337 participantsModerate
Extended‐field chemoradiotherapy vs pelvic chemoradiotherapy
Overall survival
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
HR 0.37 [0.14, 0.96]1 study · 74 participantsVery low
Extended‐field chemoradiotherapy vs pelvic chemoradiotherapy
Para‐aortic lymph node recurrence
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
RR 0.19 [0.02, 1.54]1 study · 74 participantsVery low
Extended‐field chemoradiotherapy vs pelvic chemoradiotherapy
Progression‐free survival
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
HR 0.25 [0.07, 0.87]1 study · 74 participantsVery low
Extended‐field chemoradiotherapy vs pelvic chemoradiotherapy
Acute adverse events
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
RR 0.95 [0.2, 4.39]1 study · 74 participantsVery low
Extended‐field chemoradiotherapy vs pelvic chemoradiotherapy
Late adverse events
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
RR 0.95 [0.06, 14.59]1 study · 74 participantsVery low
Extended‐field radiotherapy vs pelvic radiotherapy
Para‐aortic lymph node recurrence
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
RR 0.36 [0.18, 0.7]2 studies · 477 participantsModerate
Extended‐field radiotherapy vs pelvic radiotherapy
Progression‐free survival
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
HR 0.92 [0.69, 1.22]1 study · 377 participantsModerate
Extended‐field radiotherapy vs pelvic radiotherapy
Adverse events
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
RR 1.05 [0.79, 1.41]2 studies · 776 participantsModerate
Extended‐field radiotherapy vs pelvic chemoradiotherapy
Overall survival
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
HR 0.5 [0.39, 0.64]1 study · 389 participantsModerate
Extended‐field radiotherapy vs pelvic chemoradiotherapy
Para‐aortic lymph node recurrence
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
RR 0.44 [0.2, 0.99]1 study · 389 participantsLow
Extended‐field radiotherapy vs pelvic chemoradiotherapy
Progression‐free survival
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
HR 0.52 [0.37, 0.72]1 study · 389 participantsModerate
Extended‐field radiotherapy vs pelvic chemoradiotherapy
Acute adverse events
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
RR 0.05 [0.02, 0.11]1 study · 388 participantsModerate
Extended‐field radiotherapy vs pelvic chemoradiotherapy
Late adverse events
Extended‐field radiotherapy for locally advanced cervical cancer (2018) · Cochrane
RR 1.06 [0.69, 1.62]1 study · 386 participantsModerate
Risk‐reducing salpingo‐oophorectomy (RRSO) vs no RRSO
Overall survival: BRCA1 or BRCA2
Risk‐reducing bilateral salpingo‐oophorectomy in women with BRCA1 or BRCA2 mutations (2018) · Cochrane
HR 0.32 [0.19, 0.54]3 studies · 2548 participantsVery low
Risk‐reducing salpingo‐oophorectomy (RRSO) vs no RRSO according to BRCA mutation status
HGSC mortality: BRCA1 only
Risk‐reducing bilateral salpingo‐oophorectomy in women with BRCA1 or BRCA2 mutations (2018) · Cochrane
HR 0.1 [0.02, 0.41]2 studies · 1983 participantsVery low
Risk‐reducing salpingo‐oophorectomy (RRSO) vs no RRSO according to BRCA mutation status
HGSC mortality: BRCA2 only
Risk‐reducing bilateral salpingo‐oophorectomy in women with BRCA1 or BRCA2 mutations (2018) · Cochrane
no estimate extracted2 studies · 1983 participantsVery low
Risk‐reducing salpingo‐oophorectomy (RRSO) vs no RRSO according to BRCA mutation status
Breast cancer mortality: BRCA1 only
Risk‐reducing bilateral salpingo‐oophorectomy in women with BRCA1 or BRCA2 mutations (2018) · Cochrane
HR 0.45 [0.3, 0.67]4 studies · 2203 participantsVery low
Risk‐reducing salpingo‐oophorectomy (RRSO) vs no RRSO according to BRCA mutation status
Breast cancer mortality: BRCA2 only
Risk‐reducing bilateral salpingo‐oophorectomy in women with BRCA1 or BRCA2 mutations (2018) · Cochrane
HR 0.88 [0.42, 1.87]3 studies · 5882 participantsVery low
Risk‐reducing salpingo‐oophorectomy (RRSO) vs no RRSO according to BRCA mutation status
Quality of life (ovarian cancer risk perception): BRCA1 only
Risk‐reducing bilateral salpingo‐oophorectomy in women with BRCA1 or BRCA2 mutations (2018) · Cochrane
no estimate extracted1 study · 98 participantsVery low