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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
Intervention NR
Number of participants who had to be admitted for post‐procedure bleeding · Women undergoing excision of the cervical transformation zone for cervical neoplasia
Antibiotics for infection prevention after excision of the cervical transformation zone (2017) · Cochrane
RR 1.21 [0.52, 2.82]2 studies · 638 participantsVery low
Intervention NR
Number of participants who developed fever · Women undergoing excision of the cervical transformation zone for cervical neoplasia
Antibiotics for infection prevention after excision of the cervical transformation zone (2017) · Cochrane
RR 2.23 [0.2, 24.36]1 study · 290 participantsVery low
Intervention NR
Number of participants who experienced lower abdominal pain · Women undergoing excision of the cervical transformation zone for cervical neoplasia
Antibiotics for infection prevention after excision of the cervical transformation zone (2017) · Cochrane
RR 1.03 [0.61, 1.72]1 study · 290 participantsLow
Intervention NR
Number of participants who experienced any adverse effects related to antibiotics · Women undergoing excision of the cervical transformation zone for cervical neoplasia
Antibiotics for infection prevention after excision of the cervical transformation zone (2017) · Cochrane
RR 1.69 [0.85, 3.34]2 studies · 638 participantsVery low
Intervention NR
Number of participants who received additional medical consultant (for any reasons) · Women undergoing excision of the cervical transformation zone for cervical neoplasia
Antibiotics for infection prevention after excision of the cervical transformation zone (2017) · Cochrane
RR 2.68 [0.97, 7.41]1 study · 290 participantsLow
Intervention NR
Number of participants who had additional self‐medication · Women undergoing excision of the cervical transformation zone for cervical neoplasia
Antibiotics for infection prevention after excision of the cervical transformation zone (2017) · Cochrane
RR 1.22 [0.56, 2.67]1 study · 290 participantsVery low
Exposure to any ovary‐stimulating drugs for subfertility vs untreated subfertile women and endometrial cancer risk
Endometrial cancer · Women treated with ovary‐stimulating drugs for subfertility
Risk of endometrial cancer in women treated with ovary‐stimulating drugs for subfertility (2017) · Cochrane
RR 0.96 [0.67, 1.37]6 studies · 156774 participantsVery low
Exposure to any ovary‐stimulating drugs for subfertility vs general population and endometrial cancer risk
Endometrial cancer · Women treated with ovary‐stimulating drugs for subfertility
Risk of endometrial cancer in women treated with ovary‐stimulating drugs for subfertility (2017) · Cochrane
RR 1.75 [1.18, 2.61]15 studies · 1762829 participantsVery low
Exposure to clomiphene citrate for subfertility vs untreated subfertile women and endometrial cancer risk
Endometrial cancer · Women treated with ovary‐stimulating drugs for subfertility
Risk of endometrial cancer in women treated with ovary‐stimulating drugs for subfertility (2017) · Cochrane
RR 1.32 [1.01, 1.71]5 studies · 92849 participantsVery low
Exposure to clomiphene citrate for subfertility vs general population and endometrial cancer risk
Endometrial cancer · Women treated with ovary‐stimulating drugs for subfertility
Risk of endometrial cancer in women treated with ovary‐stimulating drugs for subfertility (2017) · Cochrane
RR 1.87 [1, 3.48]4 studies · 19614 participantsVery low
Exposure to gonadotropins for subfertility vs untreated subfertile women and endometrial cancer risk
Endometrial cancer · Women treated with ovary‐stimulating drugs for subfertility
Risk of endometrial cancer in women treated with ovary‐stimulating drugs for subfertility (2017) · Cochrane
RR 1.55 [1.03, 2.34]4 studies · 17769 participantsVery low
Exposure to gonadotropins for subfertility vs general population and endometrial cancer risk
Endometrial cancer · Women treated with ovary‐stimulating drugs for subfertility
Risk of endometrial cancer in women treated with ovary‐stimulating drugs for subfertility (2017) · Cochrane
RR 2.12 [0.79, 5.64]2 studies · 1595 participantsVery low
Exposure to clomiphene citrate and gonadotropins for subfertility vs untreated subfertile women and endometrial cancer risk
Endometrial cancer · Women treated with ovary‐stimulating drugs for subfertility
Risk of endometrial cancer in women treated with ovary‐stimulating drugs for subfertility (2017) · Cochrane
RR 1.18 [0.57, 2.44]2 studies · 6345 participantsVery low
Exposure to clomiphene citrate and gonadotropins for subfertility vs general population and endometrial cancer risk
Endometrial cancer · Women treated with ovary‐stimulating drugs for subfertility
Risk of endometrial cancer in women treated with ovary‐stimulating drugs for subfertility (2017) · Cochrane
RR 2.99 [1.53, 5.86]3 studies · 7789 participantsVery low
Exposure to GnRH analogues for subfertility vs untreated subfertile women and endometrial cancer risk
Endometrial cancer · Women treated with ovary‐stimulating drugs for subfertility
Risk of endometrial cancer in women treated with ovary‐stimulating drugs for subfertility (2017) · Cochrane
RR 1.21 [0.65, 2.27]2 studies · 42558 participantsVery low
Intervention NR
Overall Survival · Adults with recurrent GBM
Procarbazine, lomustine and vincristine for recurrent high‐grade glioma (2017) · Cochrane
no estimate extracted1 study · 35 participantsLow
Intervention NR
Chemotherapy toxicity · Adults with recurrent GBM
Procarbazine, lomustine and vincristine for recurrent high‐grade glioma (2017) · Cochrane
no estimate extracted1 study · 35 participantsVery low
Intervention NR
Overall survival median · Adults with recurrent HGG
Procarbazine, lomustine and vincristine for recurrent high‐grade glioma (2017) · Cochrane
HR 0.91 [0.74, 1.11]1 study · 447 participantsModerate
Intervention NR
PFS Median · Adults with recurrent HGG
Procarbazine, lomustine and vincristine for recurrent high‐grade glioma (2017) · Cochrane
HR 0.89 [0.73, 1.08]1 study · 447 participantsModerate
Intervention NR
QoL EORTC QoL questionnaire C30; at baseline, 12 weeks and 24 weeks · Adults with recurrent HGG
Procarbazine, lomustine and vincristine for recurrent high‐grade glioma (2017) · Cochrane
no estimate extracted1 study · 415 participantsLow
Intervention NR
Chemotherapy toxicity During 1st 12 weeks of treatment · Adults with recurrent HGG
Procarbazine, lomustine and vincristine for recurrent high‐grade glioma (2017) · Cochrane
no estimate extracted1 study · 441 participantsModerate
Intervention NR
PTB (< 37 w) · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 1.75 [1.57, 1.96]59 studies · 5242917 participantsVery low
Intervention NR
LBW (< 2500 g) ‐ Treatment versus No Treatment · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 1.81 [1.58, 2.07]30 studies · 1348206 participantsVery low
Intervention NR
NICU Admission ‐ Treatment versus No Treatment · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 1.45 [1.16, 1.81]8 studies · 2557 participantsLow
Intervention NR
Perinatal Mortality ‐ Treatment versus No Treatment · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 1.51 [1.13, 2.03]23 studies · 1659433 participantsLow
Intervention NR
PTB (< 32 to 34 w) · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 2.25 [1.79, 2.82]24 studies · 3793874 participantsVery low
Intervention NR
PTB (< 28 to 30 w) · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 2.23 [1.55, 3.22]8 studies · 3910629 participantsVery low
Intervention NR
PTB (< 37 w) ‐ Repeat cones versus No Treatment · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 3.78 [2.65, 5.39]11 studies · 1317284 participantsVery low
Intervention NR
pPROM (<3 7 w) · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 2.36 [1.76, 3.17]21 studies · 477011 participantsVery low
Intervention NR
PTB (< 37 w) ‐ Depth ≤ 10 mm to 12 mm versus No Treatment · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 1.54 [1.09, 2.18]8 studies · 550929 participantsVery low
Intervention NR
PTB (< 37 w) ‐ PTB (< 37 w) ‐ Depth ≥10 mm to 12 mm versus No Treatment · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 1.93 [1.62, 2.31]8 studies · 552711 participantsLow
Intervention NR
PTB (< 37w) ‐ PTB (<37w) ‐ Depth ≥15 to 17mm versus No Treatment · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 2.77 [1.95, 3.93]4 studies · 544986 participantsVery low
Intervention NR
PTB (< 37 w) ‐ PTB (< 37 w) ‐ Depth ≥ 20 mm versus No Treatment · women with known obstetric outcomes
Obstetric outcomes after conservative treatment for cervical intraepithelial lesions and early invasive… (2017) · Cochrane
RR 4.91 [2.06, 11.68]3 studies · 543750 participantsVery low
Intervention NR
Overall mortality · treating infections in people with neutropenia or neutrophil dysfunction
Granulocyte transfusions for treating infections in people with neutropenia or neutrophil dysfunction (2016) · Cochrane
RR 0.75 [0.54, 1.04]6 studies · 321 participantsVery low
Intervention NR
Clinical response to infection · treating infections in people with neutropenia or neutrophil dysfunction
Granulocyte transfusions for treating infections in people with neutropenia or neutrophil dysfunction (2016) · Cochrane
RR 0.98 [0.81, 1.19]5 studies · 286 participantsLow
Intervention NR
Length of time with fever ‐ not reported · treating infections in people with neutropenia or neutrophil dysfunction
Granulocyte transfusions for treating infections in people with neutropenia or neutrophil dysfunction (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Number of days on therapeutic antibiotics ‐ not reported · treating infections in people with neutropenia or neutrophil dysfunction
Granulocyte transfusions for treating infections in people with neutropenia or neutrophil dysfunction (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Number of serious adverse events ‐ pulmonary · treating infections in people with neutropenia or neutrophil dysfunction
Granulocyte transfusions for treating infections in people with neutropenia or neutrophil dysfunction (2016) · Cochrane
RR 0.85 [0.38, 1.88]1 study · 24 participantsVery low
Intervention NR
Number of adverse events requiring discontinuation of treatment ‐ not reported · treating infections in people with neutropenia or neutrophil dysfunction
Granulocyte transfusions for treating infections in people with neutropenia or neutrophil dysfunction (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life ‐ not reported · treating infections in people with neutropenia or neutrophil dysfunction
Granulocyte transfusions for treating infections in people with neutropenia or neutrophil dysfunction (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Overall survival · Women with newly diagnosed epithelial ovarian cancer
Intraperitoneal chemotherapy for the initial management of primary epithelial ovarian cancer (2016) · Cochrane
HR 0.81 [0.72, 0.9]8 studies · 2026 participantsHigh
Intervention NR
hearing loss · Women with newly diagnosed epithelial ovarian cancer
Intraperitoneal chemotherapy for the initial management of primary epithelial ovarian cancer (2016) · Cochrane
RR 0.67 [0.46, 0.99]3 studies · 1009 participantsHigh
Intervention NR
Progression‐free survival · Women with newly diagnosed epithelial ovarian cancer
Intraperitoneal chemotherapy for the initial management of primary epithelial ovarian cancer (2016) · Cochrane
HR 0.78 [0.7, 0.86]5 studies · 1311 participantsHigh
Intervention NR
Severe adverse effects (G3/4) outcomes · Women with newly diagnosed epithelial ovarian cancer
Intraperitoneal chemotherapy for the initial management of primary epithelial ovarian cancer (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
fever · Women with newly diagnosed epithelial ovarian cancer
Intraperitoneal chemotherapy for the initial management of primary epithelial ovarian cancer (2016) · Cochrane
RR 1.64 [1.13, 2.38]5 studies · 1797 participantsHigh
Intervention NR
fatigue · Women with newly diagnosed epithelial ovarian cancer
Intraperitoneal chemotherapy for the initial management of primary epithelial ovarian cancer (2016) · Cochrane
RR 2.32 [1.06, 5.07]3 studies · 1171 participantsHigh
Intervention NR
gastrointestinal AEs · Women with newly diagnosed epithelial ovarian cancer
Intraperitoneal chemotherapy for the initial management of primary epithelial ovarian cancer (2016) · Cochrane
RR 1.71 [1.28, 2.26]5 studies · 1339 participantsHigh
Intervention NR
infection · Women with newly diagnosed epithelial ovarian cancer
Intraperitoneal chemotherapy for the initial management of primary epithelial ovarian cancer (2016) · Cochrane
RR 3.34 [2.06, 5.43]3 studies · 1171 participantsHigh
Intervention NR
metabolic AEs · Women with newly diagnosed epithelial ovarian cancer
Intraperitoneal chemotherapy for the initial management of primary epithelial ovarian cancer (2016) · Cochrane
RR 4.45 [2.72, 7.26]2 studies · 873 participantsHigh
Intervention NR
pain · Women with newly diagnosed epithelial ovarian cancer
Intraperitoneal chemotherapy for the initial management of primary epithelial ovarian cancer (2016) · Cochrane
RR 7.47 [4.41, 12.67]3 studies · 1235 participantsHigh