A Bit More on False Positives, Dec 2009, Part 1

Why bother, you might ask – wouldn’t it be easier to drop the subject?

“Make it go away,” sang Sheryl Crow on her radiation sessions.

I’ll answer as might a physician and board-certified oncologist who happens to be a BC survivor in her 40s: we need establish how often false positives lead, in current practice, to additional procedures and inappropriate treatment…These numbers matter. They’re essential to the claim that the risks of breast cancer screening outweigh the benefits.

On Juno and Screening Test Stats

“Well, well” says the convenience store clerk. “Back for another test?”

“I think the first one was defective. The plus sign looks more like a division symbol, so I remain unconvinced,” states Juno the pregnant teenager.

“Third test today, mama-bear,” notes the clerk.

…”There it is. The little pink plus sign is so unholy,” Juno responds.

She’s pregnant, clearly, and she knows she is.

(see clip from Juno the movie*)

Think of how a statistician might consider Juno’s predicament…

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