Comment on Toshiba device tests cancer types from a drop of bloodparentComments−jolmg6yDoes that translate to 5-10% chance of false-negative? Can't that be improved simply by having multiple tests with a few more drops of blood?−jobigoud6y90% sensitivity = 10% false negatives. When the patient has the condition, it is detected 90/100 of the time.95% specificity = 5% false positives. When the patient doesn't have the condition, it is correctly not detected 95/100 of the time.
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Does that translate to 5-10% chance of false-negative? Can't that be improved simply by having multiple tests with a few more drops of blood?
90% sensitivity = 10% false negatives. When the patient has the condition, it is detected 90/100 of the time.
95% specificity = 5% false positives. When the patient doesn't have the condition, it is correctly not detected 95/100 of the time.