Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,752 questions · 6,648 findings · 688 reviews

No studies found 1,125 · 16.9%GRADE not reported 670 · 10.1%Very low 1,796 · 27%Low 1,685 · 25.3%Moderate 1,075 · 16.2%High 297 · 4.5%

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Combined oral contraceptive pill vs any other medical treatment

Self‐reported pain (dysmenorrhoea) at the end of treatment (continuous data): dysmenorrhoea at 6 months' · women with endometriosis
2 findings from 1 review

Combined oral contraceptive pill vs any other medical treatment

Self‐reported pain (dysmenorrhoea) (dichotomous data) ‐ reduction of pain to zero at 6 months' · women with endometriosis

It is very uncertain whether combined oral contraceptive pill changes self‐reported pain (dysmenorrhoea) (dichotomous data): reduction of… compared with other medical treatment (very low certainty).

2 findings from 1 review

Altered WBRT fractionation schedules vs WBRT control

Overall survival: higher‐dose WBRT vs control (3000 cGy/10 daily fractions)No. of participants: 846(4 RCTs) · patients with newly diagnosed multiple brain metastases

Altered WBRT fractionation schedules probably leads to higher overall survival: lower‐dose WBRT vs control WBRT (3000 cGy/10 daily… compared with WBRT control (moderate certainty).

2 findings from 1 review

WBRT with radiosensitisers (radiosen) vs WBRT

Brain tumour response rates: complete response (CR) and partial response (PR) combinedNo. of participants: 847(6 RCTs) · patients with newly diagnosed multiple brain metastases

WBRT with radiosensitisers (radiosen) showed no clear difference in brain tumour response rates: complete response (CR) and partial… compared with WBRT alone (high certainty).

1 finding from 1 review

Whole brain radiation therapy (WBRT) + stereotactic radiosurgery (SRS) vs WBRT

Overall survivalNo. of participants: 2631(8 RCTs) · patients with newly diagnosed multiple brain metastases

WBRT and radiosurgery showed no clear difference in overall survivalNo. of participants: 358(2 RCTs) compared with WBRT (moderate certainty).

1 finding from 1 review

Whole brain radiation therapy (WBRT) + stereotactic radiosurgery (SRS) vs WBRT

1‐Year overall brain control ratesNo. of participants: 400(3 RCTs) · patients with newly diagnosed multiple brain metastases

WBRT and radiosurgery leads to lower 1‐Year overall brain control ratesNo. of participants: 400(3 RCTs) compared with WBRT (high certainty).

1 finding from 1 review

Radiosurgery alone vs WBRT and radiosurgery

1‐Year radiosurgery‐targeted lesion controlNo. of participants: 602(4 RCTs) · patients with newly diagnosed multiple brain metastases

Radiosurgery alone leads to higher 1‐Year radiosurgery‐targeted lesion controlNo. of participants:… compared with WBRT and radiosurgery (high certainty).

1 finding from 1 review

Radiosurgery alone vs WBRT and radiosurgery

1‐Year distant brain controlNo. of participants: 602(4 RCTs) · patients with newly diagnosed multiple brain metastases

Radiosurgery alone leads to higher 1‐Year distant brain controlNo. of participants: 602(4 RCTs) compared with WBRT and radiosurgery (high certainty).

1 finding from 1 review

Altered WBRT fractionation schedules vs WBRT control

Overall survival: WBRT 4000 cGy/20 fractions BID vs control WBRT (2000 cGy/4‐5 daily fractions)No. of participants: 203(2 RCTs) · patients with newly diagnosed multiple brain metastases

Altered WBRT fractionation schedules showed no clear difference in overall survival: WBRT 4000 cGy/20 fractions BID vs control WBRT… compared with WBRT control (moderate certainty).

1 finding from 1 review