Research Article

Low Glycemic Index Carbohydrates versus All Types of Carbohydrates for Treating Diabetes in Pregnancy: A Randomized Clinical Trial to Evaluate the Effect of Glycemic Control

Table 3

Group differences in plasma and capillary glucose concentration (mg/dL) throughout the intervention ( ).

Group 1 (All types of CHO) ( )Group 2 (Low GI CHO) ( ) valueb, c
T1T2T3 valueaT1T2T3 valuea

Plasma fasting (mg/dL) 104.10 ± 31.8392.07 ± 17.0590.06 ± 15.640.003 * 95.05 ± 13.9791.82 ± 12.3988.18 ± 13.830.004 * 0.502
Capillary (mg/dL)
 Fasting96.00 ± 13.9190.32 ± 11.2585.57 ± 11.780.001 * 96.25 ± 12.2191.78 ± 8.4088.20 ± 12.060.001 * 0.375
 2 h-postprandial breakfast 105.45 ± 19.50108.43 ± 15.31106.21 ± 17.000.817108.76 ± 19.10106.65 ± 12.35103.89 ± 16.690.0680.874
 Preprandial lunch 90.88 ± 16.0287.98 ± 12.1788.92 ± 13.780.48188.85 ± 11.7987.95 ± 8.0989.20 ± 12.200.8680.074
 2 h-postprandial lunch 119.16 ± 16.15118.27 ± 14.96115.59 ± 14.960.179118.79 ± 21.98114.35 ± 13.97115.51 ± 17.820.3440.351
 Preprandial dinner 96.92 ± 13.3798.46 ± 15.8896.42 ± 16.700.84999.18 ± 18.2696.14 ± 9.3896.22 ± 12.740.2210.298
 2 h-postprandial dinner 108.97 ± 12.78111.75 ± 13.21111.78 ± 15.420.346116.20 ± 21.96111.82 ± 13.79110.37 ± 14.920.0840.448

Mean ± SD analyzed by repeated measures ANOVA (factors: study group and type of DM).
aIntra-group differences, binter-group differences.
cEstimated effect size Eta2   in all comparisons.
*Significant decrease throughout time ( ).
Type of DM was a nonsignificant factor in the analysis ( ).
T1: first visit value, T2: mean values throughout pregnancy, and T3: last visit value.