Table 5. Estimated odds ratio for sudden cardiac death based on hypothetical risk profiles.
Left ventricle ejection fraction (%) | Microvolt T-wave alternans status | Odds ratio | 95% confidence interval |
---|---|---|---|
10 | Indeterminate vs. Negative | 2.72 | 1.18 - 6.25 |
Positive vs. Negative | 0.75 | 0.35 - 1.62 | |
20 | Indeterminate vs. Negative | 2.16 | 1.24 - 3.77 |
Positive vs. Negative | 1.15 | 0.66 - 1.98 | |
30 | Indeterminate vs. Negative | 1.73 | 1.11 - 2.68 |
Positive vs. Negative | 1.76 | 1.17 - 2.65 | |
40 | Indeterminate vs. Negative | 1.38 | 0.76 - 2.48 |
Positive vs. Negative | 2.69 | 1.73 - 4.19 | |
50 | Indeterminate vs. Negative | 1.10 | 0.46 - 2.64 |
Positive vs. Negative | 4.13 | 2.23 - 7.65 | |
60 | Indeterminate vs. Negative | 0.87 | 0.26 - 2.93 |
Positive vs. Negative | 6.33 | 2.70 - 14.85 |
Odds ratios are presented relative to patients with same left ventricle ejection fraction and negative microvolt T-wave alternans status.