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PSA question

Prostate Cancer | Last Active: May 22 5:56pm | Replies (13)

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@brianjarvis

Thanks. I’m not sure how the conversion works. Typically, here in the U.S., PSA is measured in ng/mL, and testosterone is measured in ng/dL. I’ve never seen anyone’s testosterone down to 0.2 ng/dL. (Mine went down to 3.0 ng/dL while on Eligard.)

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Replies to "Thanks. I’m not sure how the conversion works. Typically, here in the U.S., PSA is measured..."

Yes, I've found the testosterone values people quote here in the forum weirdly high (in the 100s!?!?!).

It turns out that while some other places measure testosterone in nmol/L, the U.S. seems to measure it in ng/dL, so you have to multiply by 28.84 to get the U.S. value (or divide going the other way).

As a result, someone with testosterone level of 100 ng/dL in New York State would be the same as someone with 3.47 nmol/L just across the border here in Ontario. 🤷