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3x2 tables can be more accurate and more transparent in research studies looking at the diagnostic performance of a test. There are two columns (truth: disease + and disease -) and three rows (test +, test indeterminate, and test -). BMJ 2012;345:e6717    (retrieved Oct, 2012). There are currently 1090 pearls in the database. While every attempt has been made to ensure accuracy, mistakes can and do occur. Use databank at your own risk. All pearls © 2024 by the Internet Medical Association. Click Here to view more medical pearls.