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Table 1 Mean BOLD signal intensity percent changes for the whole myocardium, subendocardium, and subepicardium in study participants.

From: Transmural variations of vasodilator-induced changes of myocardial oxygenation vary with age and the presence of diabetes mellitus type II: a study using oxygen-sensitive cardiovascular MR

 

Whole myocardial SI Δ

Subendocardial SI Δ

Subepicardial SI Δ

Healthy volunteers (n=11 patients; 66 segments)

21.19% (95% CI 14.51 to 27.88)

21.34% (95% CI 14.15 to 28.53)

21.02% (95% CI 14.51 to 27.52)

Matched controls (age, gender, BMI) (n=17 patients; 211 segments)

7.42% (95% CI 6.12 to 8.71)

4.92% (95% CI 3.44 to 6.39)

10.17% (95% CI 8.82 to 11.51)

Diabetics (n=8; 100 segments)

6.21% (95% CI 4.01 to 8.40)

1.71% (95% CI -0.61 to 4.03)

10.85% (95% CI 8.46 to 13.22)

p Value

p=0.000

p=0.000

p=0.005