Table 4.
Microvascular Perfusion Parameters in DM Patients Based on the Duration of Disease
DM <10 Years (n=28) | DM ≥10 Years (n=22) | Nondiabetic (n=42) | P Values for Differences | |||
---|---|---|---|---|---|---|
DM <10 vs ≥10 Years | DM <10 Years vs Nondiabetic | DM ≥10 Years vs Nondiabetic | ||||
APVbas | 26.50±5.6 | 24.00±5.23 | 22.08±4.31 | 0.32 | 0.014 | 0.49 |
APVhyp | 48.00±12.8 | 41.57±10.01 | 53.47±11.8 | 0.041 | 0.052 | <0.001 |
CFVR | 1.89±0.37 | 1.71±0.25 | 2.43±0.42 | 0.045 | <0.001 | <0.001 |
HMR | 1.89±0.53 | 2.13±0.42 | 1.69±0.39 | 0.16 | 0.223 | 0.002 |
BMR | 3.69±0.86 | 3.98±0.69 | 4.34±0.76 | 0.59 | 0.005 | 0.056 |
ARI | 1.80±0.63 | 1.67±0.44 | 2.65±0.53 | 0.707 | <0.001 | <0.001 |
DDTbas | 1037.64±354.27 | 924.86±172.02 | 1086.80±177.27 | 0.834 | 0.476 | 0.003 |
APVbas indicates basal average peak velocity; APVhyp, hyperemic average peak velocity; ARI, arteriole resistance index; BMR, baseline microvascular resistance; CFVR, coronary flow velocity reserve; DDTbas, baseline diastolic deceleration time; DM, diabetes mellitus; HMR, hyperemic microvascular resistance.