TABLE 1

Results of ultrasound studies in the diabetic group and control subjects

Diabetic groupControl subjectsP
n3520
FMD (%)5.2 ± 4.79.1 ± 4.00.002
GTN-induced dilatation (%)19.5 ± 6.523.3 ± 7.40.07
FMD:GTN ratio‡0.25 (−1.75 to −0.9)0.41 (0.06 to 0.92)0.008§
Resting vessel diameter (mm)2.97 ± 0.422.94 ± 0.30.76
Reactive hyperemia (%)418.6 ± 143.6375.3 ± 128.20.27
Age (years)13.7 ± 2.213.8 ± 2.50.87
Sex (M:F)18:178:100.56
Height (cm)157.4 ± 13.2167.2 ± 13.40.025
Weight (kg)54.2 ± 15.460.3 ± 11.70.18
Systolic blood pressure (mmHg)118.3 ± 14.4119.6 ± 13.90.78
Diastolic blood pressure (mmHg)60.9 ± 6.461 ± 9.10.95
HbA1c (%)9.1 ± 0.9
Insulin dose (units/kg)1.2 ± 0.35
Duration of diabetes (years)5.7 ± 3.3
  • Data are means ± SD unless otherwise stated.

  • Student’s t test unless otherwise indicated.

  • Median (range).

  • §

    § Mann-Whitney U test.

  • χ2 test.