correlational
Analysis v1
Strong Support
After prostate surgery, men whose PSA levels drop to almost nothing (below 10 ng/L) are much less likely to have the cancer come back or die from it than those whose PSA stays higher.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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This study found that men with prostate cancer who have very, very low PSA levels after surgery are much less likely to have the cancer come back and are more likely to live longer — which matches 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.