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Table 3 Haemodynamic measurements and myocardial perfusion reserve index

From: Adenosine stress CMR T1-mapping detects early microvascular dysfunction in patients with type 2 diabetes mellitus without obstructive coronary artery disease

Adenosine Stress CMR
  Healthy Controls
N = 16
T2DM
N = 31
P value
Rest RPP, bpm*mmHg 7673 ± 1334 8862 ± 1745 0.025
Stress RPP, bpm*mmHg 11,181 ± 2750 11,827 ± 1736 0.365
Increase in RPP, % 49 ± 18 38 ± 29 0.206
MPRI, ratio 2.01 ± 0.42 1.60 ± 0.44 0.008
  1. Values are mean ± standard deviations or percentages. T2DM indicates type 2 diabetes mellitus; CMR, cardiovascularmagnetic resonance; bpm, beats per minute; MPRI, myocardial perfusion reserve index; RPP, rate pressure product