Test: any cardiac risk factor
Disease: myocardial infarction

+LR (95% CI): 1.05 (1.03-1.08)
-LR (95% CI): 0.49 (0.4-0.61)

Source Type: single study

Gold Standard: 1) Death within 30 days, with a positive cardiac biomarker during the index hospitalization 2) Diagnostic-related group code indicating acute myocardial infarction, with or without death and with a positive cardiac biomarker 3) Diagnostic-related group code indicating unstable angina, with or without death and with percutaneous coronary intervention or coronary artery bypass graft 4) Percutaneous coronary intervention or coronary artery bypass graft during index hospitalization or within 30 days

Population: presented to ER with symptoms suggestive of cardiac ischemia

Comment: cardiac risk factors were diabetes, hypertension, current smoker, hypercholesterolemia, and family history of premature coronary artery disease in a first-degree relative

Reference: [PubMed] [Read by QxMD]

Negative or Positive Test?


Pre-test probability: 0%


Post-test probability (95% CI): 0% (0% - 0%)




Suggested Pre-test Probabilities


Presenting Complaint: chest pain, non-traumatic
Population Pre-test Probability
US emergency room3.8%
US emergency room, age 36 - 441.2%
US emergency room, age 45 - 543.5%
US emergency room, age 55 - 645.1%
US emergency room, age 65 - 745.4%
US emergency room, age 75 - 848.6%
US emergency room, age > 8511.7%
Reference: [PubMed] [Read by QxMD]