Table 2 —

Correlation coefficients determined by simple regression analyses between log-transformed plasma tHcy levels and clinical variables for all 75 diabetic subjects and those of 59 type 2 diabetic subjects with creatinine clearance >60 ml/min

All diabetic subjects
Diabetic subjects with creatinine clearance >60 ml/min
Duration of diabetes0.2180.060−0.1000.450
Smoking index0.0750.5240.2610.046*
Systolic blood pressure0.495<0.00010.1670.207
Diastolic blood pressure0.1530.1880.1200.365
Fasting plasma insulin0.1820.1180.1250.344
Uric acid0.539<0.00010.2550.051
Serum creatinine0.636<0.00010.3880.002
Total cholesterol−0.0360.761−0.0050.970
HDL cholesterol−0.2940.010*−0.1710.195
Log vitamin B12−0.1420.248−0.2580.060
Log folate−0.1180.338−0.2670.051
Creatinine clearance−0.634<0.0001−0.2060.117
Insulin sensitivity index−0.3190.00540.2370.070
  • The serum levels of vitamin B12 and folate were log-transformed (log vitamin B12 and log folate, respectively). Creatinine clearance was estimated by Cockcroft-Gault derived equation. Simple correlation coefficients are shown with level of significance.

  • *

    * P < 0.05;

  • P < 0.01;

  • P < 0.0001.