Table 3.
Cardiovascular Events According to Hyperemic Response
Hyperemic Velocity
|
|||
---|---|---|---|
Lower Two Tertiles <105 cm/sec (n=178) | Upper Tertile ≥105 cm/sec (n=89) | P Value* | |
Death | 14 (7.9%) | 1 (1.1%) | 0.02 |
Myocardial infarction | 15 (8.4%) | 3 (3.4%) | 0.12 |
Unstable angina | 8 (4.5%) | 0 | 0.06 |
Heart failure | 5 (2.8%) | 1 (1.1%) | 0.67 |
Ischemic stroke | 1 (0.6%) | 2 (2.2%) | 0.26 |
Any event | 43 (24%) | 7 (7.9%) | 0.001 |
Early events (<30 days)† | 25 (14%) | 4 (5.5%) | 0.02 |
Late events (30 days to 2 years) | 22 (12%) | 3 (3.4%) | 0.02 |
Chi Square test. n=267;
Four subjects had an event in both the early and late periods.