Table 3

Glycemic index at all visits

Low–glycemic index groupHigh–glycemic index group
P value*P value
Did not meet criteria for insulin useMet criteria for insulin use and changed to low–glycemic index diet
n311319
Baseline visit57.3 ± 0.957.9 ± 1.557.4 ± 1.20.830.79
Visit 249.2 ± 0.956.9 ± 1.157.9 ± 1.0<0.0010.53
Visit 348.7 ± 0.958.2 ± 0.7§52.2 ± 1.4<0.001<0.001
Final visit48.0 ± 0.956.0 ± 1.1§49.6 ± 1.10.018<0.001
Change: baseline to final visit (P value)−8.4 ± 1.0 (<0.001)−1.5 ± 1.6 (0.38)−7.9 ± 1.1 (<0.001)
  • Data are means ± SEM.

  • *Comparison of low–glycemic index with high–glycemic index groups (combined).

  • †Comparing those who changed to a low–glycemic index diet with those continuing to consume a high–glycemic index diet.

  • n = 30.

  • §n = 12.

  • n = 18.