Table 3.
Predictors of Ischemia on Exercise Electrocardiographic Stress Testing
| OR (95% CI) | P Value | |
|---|---|---|
| Univariate | ||
| Age | 1.045 (0.991-1.101) | 0.103 |
| Sex | 0.589 (0.249-1.395) | 0.229 |
| Hypertension | 2.097 (0.890-4.941) | 0.090 |
| Hemoglobin | 0.956 (0.923-0.990) | 0.012 |
| Peak heart rate | 1.025 (1.001-1.049) | 0.039 |
| Peak systolic blood pressure | 1.010 (0.997-1.024) | 0.138 |
| CFR | 0.979 (0.920-1.042) | 0.506 |
| AChFR | 0.854 (0.776-0.939) | 0.001 |
| hMR | 0.980 (0.924-1.039) | 0.498 |
| Multivariate (R2 = 0.228) | ||
| AChFR | 0.817 (0.720-0.928) | 0.002 |
| Hemoglobin | 0.935 (0.894-0.979) | 0.004 |
| Peak heart rate | 1.035 (1.006-1.064) | 0.018 |
The units of increase in independent variables are as follows: age, 1 year older; hemoglobin, 1 g/L higher; peak heart rate, 1 beat/min higher; peak systolic blood pressure, 1 mm Hg higher; CFR, 0.1 unit higher; AChFR, 0.1 unit higher; and hMR, 0.1 mm Hg/cm/s higher.
Abbreviations as in Table 2.