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Table 3 Diagnostic strength of computed tomography in detecting acute myocardial infarction and predicting poor neurological outcome

From: Clinical experience of whole-body computed tomography as the initial evaluation tool after extracorporeal cardiopulmonary resuscitation in patients of out-of-hospital cardiac arrest

Major CT findings, n (%)

Hypoxic brain injury

Acute myocardial infarction

Number (%)

27/93 (29.0%)

53/93 (57.0%)

Outcome measured

Poor neurological outcome (CPC 3/4/5)

Positive coronary angiography

Number of patients with / without the associated outcome

71/22

58/35

True positive

26/27 (96.3%)

47/53 (88.7%)

False positive

1/27 (3.7%)

6/53 (11.3%)

True negative

21/66 (31.8%)

29/40 (72.5%)

False negative

45/66 (68.2%)

11/40 (27.5%)

Sensitivity

26/71 (36.6%)

47/58 (81.0%)

Specificity

21/22 (95.5%)

29/35 (82.9%)

Positive likelihood ratio (LR+)

8.06

4.7

Negative likelihood ratio (LR-)

0.66

0.229

  1. CPC cerebral performance category