TNNI3 and myocardial infarction: As a result, the relative risk of patients with diagnosed MI versus without diagnosed MI to receive an elevated hs-cTnI result was 6.59 for the hs-cTnI test compared to 2.29 for the hs-cTnT-test, meaning that a positive hs-cTnI test result was a better classifier for true MI than the hs-cTnT test.