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PSA doubling time calculator differences: What calculator do you use?
Prostate Cancer | Last Active: Dec 29, 2025 | Replies (20)Comment receiving replies
@harry100
Were both exactly the same results? I have never heard of a negative doubling time.
Replies to "@harry100 Were both exactly the same results? I have never heard of a negative doubling time."
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@aldenrobert
Hello Alden,
Mine went from a PSA 9 in Apr to PSA 7.42 in Dec
They were the same in slope -0.3, but differed slightly in velocity -2.2 vs -2.34
I don't understand all this