"Assuming a cost of $14.47 per test, this saved 47% on the positive tests," Dr. Torrone said. "The lab estimated that they were able to test 15,201 samples for the price of 8,866 samples."
Dr. Torrone reported having no financial disclosures.
*Correction, 4/13/12: An earlier version of this story misreported the percentage of the reduction in the number of clinics in Kentucky reporting positivity rates of less than 3%.