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PSA doubling time calculator differences

Prostate Cancer | Last Active: 4 days ago | Replies (16)

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@harry100
Were both exactly the same results? I have never heard of a negative doubling time.

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Replies to "@harry100 Were both exactly the same results? I have never heard of a negative doubling time."

@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