Rest and Dipyridamole Stress 82Rb PET in Patients With and Without Follow-Up
| Parameter | Patients with follow-up (n = 629) | Patients without follow-up (n = 65) | P value |
|---|---|---|---|
| Resting heart rate (bpm) | 67 ± 12 | 68 ± 12 | NS |
| Resting blood pressure (mm Hg) | |||
| Systolic | 141 ± 22 | 144 ± 24 | NS |
| Diastolic | 76 ± 13 | 78 ± 12 | NS |
| Peak stress heart rate (bpm) | 86 ± 15 | 85 ± 15 | NS |
| Peak stress blood pressure (mm Hg) | |||
| Systolic | 140 ± 23 | 141 ± 24 | NS |
| Diastolic | 73 ± 15 | 74 ± 12 | NS |
| Rate · pressure product | |||
| Rest | 9,443 ± 2,325 | 9,749 ± 2,219 | NS |
| Stress | 12,087 ± 3,047 | 11,926 ± 2,688 | NS |
| Dipyridamole-induced chest pain* | 269 (43) | 23 (35) | NS |
| MPI | |||
| SSS | 0.19 ± 0.49 | 0.22 ± 0.46 | NS |
| SRS | 0.65 ± 1.50 | 0.72 ± 1.20 | NS |
| SDS | 0.08 ± 0.24 | 0.05 ± 0.19 | NS |
↵* Values in parentheses are percentages.
bpm = beats per minute; NS = not significant.