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Table 6 Cardiovascular events within 6 months according to observed and predicted outcome of exercise tests

From: Diagnostic characteristics and prognoses of primary-care patients referred for clinical exercise testing: a prospective observational study

Type of cardiovascular event

Observed outcome of exercise test

Predicted outcome of exercise test*

Positive n=55

Non-conclusive n=142

Negative n=653

Non-assessable n=15

Positive/non-conclusive n=761

Negative/non-assessable n=104

Total n=865

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

To GP for angina symptoms

13 (23.6%)

12 (8.5%)

11 (1.7%)

1 (6.7%)

35 (4.6%)

2 (1.9%)

37 (4.3%)

Hospitalized for unstable angina

10 (18.2%)

10 (7.0%)

2 (0.3%)

0

22 (2.9%)

0 (0%)

22 (2.5%)

STEMI/NSTEMI

1 (1.8%)

3 (2.1%)

0

0

4 (0.5%)

0 (0%)

4 (0.5%)

Revascularization

19 (34.5%)

12 (8.5%)

4 (0.6%)

0

35 (4.6%)

0 (0%)

35 (4.0%)

Cardiovascular death

1 (1.8%)

2 (1.4%)

0

0

3 (0.4%)

0 (0%)

3 (0.3%)

Patients with any event (%)

29 (52.7%)

26 (18.3%)

13 (2.0%)

1 (6.7%)

67 (8.8%)

2 (1.9%)

69 (8.0%)

  1. GP: general practitioner. STEMI: ST-segment elevation myocardial infarction. NSTEMI: non-ST-segment elevation myocardial infarction.
  2. Revascularization: decision on revascularization within six months. Cardiovascular death: cause of death was sudden cardiac death, myocardial infarction, or congestive heart failure. Positive exercise test: angina symptoms and depression of ST segment >0.1 mV during the test. Non-conclusive test: angina or ST depression. Negative test: neither angina nor ST depression. *Predicted outcome, classification cut off >0.1.