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Table 3 The HEART score as an index test for identifying MACE, presented in two by two table

From: The HEART score in predicting major adverse cardiac events in patients presenting to the emergency department with possible acute coronary syndrome: protocol for a systematic review and meta-analysis

   Target condition
MACE
Present Absent
Index test
HEART score
Positive
HEART 4–10
True positive False positive
Negative
HEART 0–3
False negative True negative