quantitative
Analysis v1
Strong Support
When doctors use both a blood test and an ultrasound to check for ovarian cancer, fewer women end up having unnecessary surgeries compared to using just the ultrasound — so the combo method is safer in that way.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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Mortality impact, risks, and benefits of general population screening for ovarian cancer: the UKCTOCS randomised controlled trial.
Randomized Controlled Trial
Human
2025 MayThe study found that using both a blood test and ultrasound to screen for ovarian cancer leads to far fewer unnecessary surgeries than using ultrasound alone — exactly what the claim says.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.