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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)

487 questions in 49 reviews · Breast Cancer

current versions
No studies 44 · 9%Ungraded 14 · 2.9%Very low 108 · 22.2%Low 128 · 26.3%Moderate 107 · 22%High 86 · 17.7%

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
Sentinel node biopsy vs full axillary surgery
All‐cause mortality · women with operable primary breast cancer
Axillary treatment for operable primary breast cancer (2017) · Cochrane
HR 1.05 [0.89, 1.25]3 studies · 6352 participantsModerate
Sentinel node biopsy vs full axillary surgery
Lymphoedema Patient‐reported lymphoedema of any severity · women with operable primary breast cancer
Axillary treatment for operable primary breast cancer (2017) · Cochrane
OR 0.33 [0.15, 0.86]3 studies · 815 participantsLow
Sentinel node biopsy vs full axillary surgery
Subjective arm movement impairment · women with operable primary breast cancer
Axillary treatment for operable primary breast cancer (2017) · Cochrane
OR 0.38 [0.22, 0.67]2 studies · 877 participantsVery low
Yoga vs no therapy
Health‐related quality of life (short‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted10 studies · 675 participantsModerate
Yoga vs psychosocial/educational interventions
Anxiety (short‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted3 studies · 195 participantsLow
Yoga vs psychosocial/educational interventions
Fatigue (short‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted2 studies · 106 participantsModerate
Yoga vs psychosocial/educational interventions
Sleep disturbances (short‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted2 studies · 119 participantsVery low
Yoga vs exercise
Health‐related quality of life Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted3 studies · 233 participantsVery low
Yoga vs exercise
Fatigue Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted3 studies · 233 participantsVery low
Yoga vs no therapy
Health‐related quality of life (medium‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted2 studies · 146 participantsLow
Yoga vs no therapy
Depression (short‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted7 studies · 496 participantsLow
Yoga vs no therapy
Anxiety (short‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted6 studies · 346 participantsVery low
Yoga vs no therapy
Fatigue (short‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted11 studies · 883 participantsModerate
Yoga vs no therapy
Fatigue (medium‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted2 studies · 146 participantsLow
Yoga vs no therapy
Sleep disturbances (short‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted6 studies · 657 participantsModerate
Yoga vs psychosocial/educational interventions
Health‐related quality of life (short‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted2 studies · 153 participantsVery low
Yoga vs psychosocial/educational interventions
Depression (short‐term) Self‐assessed questionnaires · women with diagnosed breast cancer
Yoga for improving health‐related quality of life, mental health and cancer‐related symptoms in women… (2017) · Cochrane
no estimate extracted4 studies · 226 participantsModerate
Fulvestrant vs other endocrine treatment
Time to progression · women with hormone‐sensitive advanced breast cancer
Fulvestrant for hormone‐sensitive metastatic breast cancer (2017) · Cochrane
HR 0.95 [0.89, 1.02]9 studies · 4258 participantsModerate
Fulvestrant vs other endocrine treatment
Clinical benefit rate · women with hormone‐sensitive advanced breast cancer
Fulvestrant for hormone‐sensitive metastatic breast cancer (2017) · Cochrane
RR 1.03 [0.97, 1.1]9 studies · 4105 participantsHigh
Fulvestrant vs other endocrine treatment
Mortality · women with hormone‐sensitive advanced breast cancer
Fulvestrant for hormone‐sensitive metastatic breast cancer (2017) · Cochrane
HR 0.97 [0.87, 1.09]5 studies · 2480 participantsHigh
Fulvestrant vs other endocrine treatment
Vasomotor toxicity · women with hormone‐sensitive advanced breast cancer
Fulvestrant for hormone‐sensitive metastatic breast cancer (2017) · Cochrane
RR 1.02 [0.89, 1.18]8 studies · 3544 participantsHigh
Fulvestrant vs other endocrine treatment
Arthralgia · women with hormone‐sensitive advanced breast cancer
Fulvestrant for hormone‐sensitive metastatic breast cancer (2017) · Cochrane
RR 0.96 [0.86, 1.09]7 studies · 3244 participantsHigh
Fulvestrant vs other endocrine treatment
Gynaecological toxicity · women with hormone‐sensitive advanced breast cancer
Fulvestrant for hormone‐sensitive metastatic breast cancer (2017) · Cochrane
RR 1.22 [0.94, 1.57]6 studies · 2848 participantsHigh
Fulvestrant vs other endocrine treatment
Quality of life · women with hormone‐sensitive advanced breast cancer
Fulvestrant for hormone‐sensitive metastatic breast cancer (2017) · Cochrane
no estimate extracted4 studies · 4 participantsHigh
Intervention NR
Quality of Life FACT‐B Functional Assessment of Cancer Therapy ‐ Breast Cancer Specific Scale from: 0‐144 · breast cancer survivors
Home‐based multidimensional survivorship programmes for breast cancer survivors (2017) · Cochrane
no estimate extracted7 studies · 764 participantsModerate
Intervention NR
Quality of Life EORTC European Organisation for Research and Treatment of Cancer ‐ Global Scale from: 0‐100 · breast cancer survivors
Home‐based multidimensional survivorship programmes for breast cancer survivors (2017) · Cochrane
no estimate extracted6 studies · 299 participantsModerate
Intervention NR
Quality of Life QoL Breast Cancer Quality of Life ‐ Breast Cancer Overall · breast cancer survivors
Home‐based multidimensional survivorship programmes for breast cancer survivors (2017) · Cochrane
no estimate extracted2 studies · 111 participantsVery low
Intervention NR
Quality of Life ‐ SF‐36 (Physical) SF‐36 Physical Function Scale from: 0‐100 · breast cancer survivors
Home‐based multidimensional survivorship programmes for breast cancer survivors (2017) · Cochrane
no estimate extracted2 studies · 308 participantsLow
Intervention NR
Anxiety Hospital Anxiety and Depression Scale · breast cancer survivors
Home‐based multidimensional survivorship programmes for breast cancer survivors (2017) · Cochrane
no estimate extracted5 studies · 253 participantsLow
Intervention NR
Depression Hospital Anxiety and Depression Scale · breast cancer survivors
Home‐based multidimensional survivorship programmes for breast cancer survivors (2017) · Cochrane
no estimate extracted4 studies · 213 participantsLow
Intervention NR
Fatigue Brief Fatigue Inventory · breast cancer survivors
Home‐based multidimensional survivorship programmes for breast cancer survivors (2017) · Cochrane
no estimate extracted3 studies · 127 participantsLow
Intervention NR
*CI: Confidence interval · breast cancer survivors
Home‐based multidimensional survivorship programmes for breast cancer survivors (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Emotional distress · women with breast cancer
Online support groups for women with breast cancer (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Uncertainty · women with breast cancer
Online support groups for women with breast cancer (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Anxiety at end of intervention · women with breast cancer
Online support groups for women with breast cancer (2017) · Cochrane
no estimate extracted1 study · 58 participantsLow
Intervention NR
Depression at end of intervention · women with breast cancer
Online support groups for women with breast cancer (2017) · Cochrane
no estimate extracted2 studies · 120 participantsVery low
Intervention NR
Quality of life post intervention · women with breast cancer
Online support groups for women with breast cancer (2017) · Cochrane
no estimate extracted2 studies · 140 participantsVery low
Intervention NR
Quality of life 12 months post intervention · women with breast cancer
Online support groups for women with breast cancer (2017) · Cochrane
no estimate extracted1 study · 78 participantsLow
Boost vs no boost
Local control: recurrence at 5 years · breast‐conserving radiotherapy for breast cancer
Tumour bed boost radiotherapy for women after breast‐conserving surgery (2017) · Cochrane
HR 0.64 [0.55, 0.75]5 studies · 8315 participantsLow
Boost vs no boost
Overall survival: mortality at 5 years · breast‐conserving radiotherapy for breast cancer
Tumour bed boost radiotherapy for women after breast‐conserving surgery (2017) · Cochrane
HR 1.04 [0.94, 1.14]2 studies · 6342 participantsModerate
Boost vs no boost
Disease‐free survival: disease progression/mortality at 5 years · breast‐conserving radiotherapy for breast cancer
Tumour bed boost radiotherapy for women after breast‐conserving surgery (2017) · Cochrane
HR 0.94 [0.87, 1.02]3 studies · 6549 participantsLow
Boost vs no boost
Late toxicity, pBRA · breast‐conserving radiotherapy for breast cancer
Tumour bed boost radiotherapy for women after breast‐conserving surgery (2017) · Cochrane
MD 0.382 studies · 1526 participantsVery low
Boost vs no boost
Cosmesis, panel scored: fair or poor · breast‐conserving radiotherapy for breast cancer
Tumour bed boost radiotherapy for women after breast‐conserving surgery (2017) · Cochrane
OR 1.41 [1.07, 1.85]2 studies · 1116 participantsLow
Boost vs no boost
Cosmesis, physician‐scored: fair or poor · breast‐conserving radiotherapy for breast cancer
Tumour bed boost radiotherapy for women after breast‐conserving surgery (2017) · Cochrane
OR 1.58 [0.93, 2.69]2 studies · 592 participantsVery low
Boost vs no boost
Sensitivity analysis: local control ‐ recurrence at 5 years · breast‐conserving radiotherapy for breast cancer
Tumour bed boost radiotherapy for women after breast‐conserving surgery (2017) · Cochrane
HR 0.62 [0.52, 0.73]3 studies · 6963 participantsHigh
Boost vs no boost
Subgroup analysis: local control ‐ > 40 years old, recurrence at 5 years · breast‐conserving radiotherapy for breast cancer
Tumour bed boost radiotherapy for women after breast‐conserving surgery (2017) · Cochrane
HR 0.65 [0.53, 0.81]2 studies · 5058 participantsHigh
Summary of findings: Non‐intensive vs intensive follow‐up
Overall survival · women treated for early breast cancer
Follow‐up strategies for women treated for early breast cancer (2016) · Cochrane
HR 0.98 [0.84, 1.15]2 studies · 2563 participantsHigh
Summary of findings: Non‐intensive vs intensive follow‐up
Disease‐free survival · women treated for early breast cancer
Follow‐up strategies for women treated for early breast cancer (2016) · Cochrane
HR 0.84 [0.71, 1]2 studies · 2563 participantsLow
Summary of findings: Non‐intensive vs intensive follow‐up
Quality of life4 · women treated for early breast cancer
Follow‐up strategies for women treated for early breast cancer (2016) · Cochrane
no estimate extracted1 study · 639 participantsHigh
Summary of findings: Decentralised vs centralised follow‐up
Overall survival · women treated for early breast cancer
Follow‐up strategies for women treated for early breast cancer (2016) · Cochrane
HR 1.07 [0.64, 1.78]1 study · 968 participantsModerate