Table 1.

Parameters and indexes derived from DTI

Control Group (n = 12)Diabetic Group (n = 9)Significance
Peak E′, cm/s18.4±2.917.6±3.3P = 0.58
Peak E", cm/s5.4±0.95.6±1.4P = 0.80
E′/E"*3.44±0.603.30±0.44P = 0.61
tE"tE′, ms131±25104±24P < 0.024
c′, g/s19.8±5.628.7±11.1P < 0.025
k′, g/s2421±113516±142P = 0.10
xo′, cm1.37±0.271.02±0.22P < 0.005
k′xo′, dynes559±151508±132P = 0.43
1/2k′xo2, ergs392±129271±84P < 0.025
β′, g2/s2−1,265±397−1,131±650P = 0.57
  • Values are means ± SD. E′ and E", peak amplitudes of E′- and E"-waves, respectively; tE"tE′, separation in time between E′- and E"-wavepeaks; c′, damping constant; k′, spring constant; xo′, initial displacement of spring before release.

  • * E"-waves were present in 7 of the diabetic subjects. Bold type indicates significance.