TABLE 5

Nonparametric correlation matrix (Spearman’s ρ) for data set B (n = 54)

FPG2-h PGIS1st PH-CONC2nd PH-CONC1st PH-SECβδ2nd PH-SEC
FPG1
2-h PG0.50§1
IS−0.33*−0.29*1
1st PH-CONC−0.17−0.21−0.34*1
2nd PH-CONC0.09−0.04−0.68§0.66§1
1st PH-SEC−0.31*−0.36#0.050.70§0.35#1
β0.16−0.07−0.50§0.42*0.79§0.43§1
δ0.160.06−0.19−0.090.130.000.42#1
2nd PH-SEC−0.02−0.24−0.39#0.53§0.78§0.58§0.88§0.071
OGTT β-index−0.28*−0.39#0.030.63§0.270.57§0.26−0.040.32*
  • FPG, fasting plasma glucose; PG, plasma glucose; 1st PH-CONC, first-phase concentration; 2nd PH-CONC, second-phase concentration; 1st PH-SEC, first-phase secretion; 2nd PH-SEC, second-phase secretion.

  • *

    * P < 0.05;

  • #

    # P < 0.01;

  • §

    § P < 0.001.