The positive likelihood ratio is the probability of a person who has the disease testing positive divided by the probability of a person who does not have the disease testing positive. (I.e. true positives/false positives).
| Disease Present | Disease Absent | |
| Test result Positive | a | b |
| Test result Negative | c | d |
+LR = [a/(a+c)] / [b/(b+d)]
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The Compendium platform was created by David Kwinter, MD, CCFP(EM).
Dr. Kwinter is a Cayman Family Doctor. He runs a Family Medicine Clinic at Cayman Medical in George Town, Grand Cayman, Cayman Islands.
Dr. Kwinter is a Cayman Family Doctor. He runs a Family Medicine Clinic at Cayman Medical in George Town, Grand Cayman, Cayman Islands.