Parameter | Patient | No. of viable segments | Baseline study | Follow-up study | P |
---|---|---|---|---|---|
11C-HED retention (%/min) | Nondiabetic | 208 | 1.50 ± 0.45 | 1.50 ± 0.46 | NS |
Diabetic | 141 | 1.60 ± 0.40 | 1.56 ± 0.46 | 0.007 | |
Blood flow, rest (mL/[100 mL/min]) | Nondiabetic | 202 | 68.3 ± 15.5 | 71.3 ± 19.3 | NS |
Diabetic | 130 | 75.1 ± 17.8 | 72.4 ± 20.2 | NS | |
Blood flow, stress (mL/[100 mL/min]) | Nondiabetic | 198 | 152.6 ± 68.2 | 156.1 ± 64.9 | NS |
Diabetic | 130 | 125.6 ± 56.4 | 136.8 ± 64.9 | 0.007 | |
Coronary resistance ([mm Hg × 100 mL × min]/mL) | Nondiabetic | 198 | 0.72 ± 0.42 | 0.72 ± 0.40 | NS |
Diabetic | 130 | 0.80 ± 0.42 | 0.75 ± 0.39 | NS | |
CFR | Nondiabetic | 194 | 2.28 ± 1.06 | 2.26 ± 1.18 | NS |
Diabetic | 123 | 1.57 ± 0.79 | 1.95 ± 0.95 | 0.0002 |
NS = not statistically significant.
Data are mean ± SD.