Research Article

Low-Glycemic-Index Foods Can Decrease Systolic and Diastolic Blood Pressure in the Short Term

Table 6

The comparison between percent changes of blood pressure in LGI foods and HGI foods.

HGI dietLGI diet value

Mean of 24-hour SBP (mmHg)106.95 ± 6.34106.39 ± 7.230.89
Mean of 24-hour DBP (mmHg)69.50 ± 6.0868.60 ± 5.80.31
Mean of 24-hour HR (bpm)73.35 ± 8.7274.03 ± 8.460.76
Changes in SBP after 24 hours (mmHg)−1.13 ± 12.00−10.60 ± 15.390.08
Changes in DBP after 24 hours (mmHg)−3.10 ± 8.85−7.50 ± 12.380.1
Changes in HR after 24 hours (bpm)−8.40 ± 13.09−8.8 ± 13.940.91
Changes in SBP during day (mmHg)+2.10 ± 10.04−4.33 ± 9.230.38
Changes in DBP during day (mmHg)+2.23 ± 8.62−0.16 ± 8.70.29
Changes in SBP during night (mmHg)−3.23 ± 9.36−10.16 ± 14.650.01*
Changes in DBP during night (mmHg)−2.93 ± 12.83−8.76 ± 12.600.04*
Changes in HR during day (bpm)−2.46 ± 12.27−4.40 ± 8.310.51
Changes in HR during night (bpm)4.26 ± 19.178.83 ± 13.110.21

; within-group comparison of baseline and 24-hour results by paired -test for normally distributed data or by Wilcoxon test for nonnormally distributed data.