Low-Glycemic-Index Foods Can Decrease Systolic and Diastolic Blood Pressure in the Short Term
Table 5
The effects of LGI and HGI foods on SBP and DBP divided by day and night.
Characteristics
HGI diet
LGI diet
Baseline
At the end
value
Baseline
At the end
value
Day (10 am to 9 pm)
SBP (mmHg)
111.80 ± 9.57
139.1 ± 10.64
0.26
112.86 ± 9.33
112.43 ± 9.83
0.79
DBP (mmHg)
74.26 ± 10.09
76.50 ± 8.43
0.16
74.46 ± 7.61
74.30 ± 8.99
0.91
HR (bpm)
79.60 ± 12.77
77.13 ± 10.13
0.28
81.03 ± 12.71
76.63 ± 11.69
0.007*
Night (10 pm to 8 am)
SBP (mmHg)
115.9 ± 9.96
110.66 ± 9.85
0.1
112.27 ± 10.62
102.26 ± 14.18
0.01*
DBP (mmHg)
74.10 ± 9.80
71.16 ± 9.16
0.65
74.30 ± 8.99
66.96 ± 10.39
0.02*
HR (bpm)
75.40 ± 17.53
71.13 ± 13.23
0.23
81.06 ± 11.87
72.23 ± 10.62
0.001*
; intragroup comparison of baseline and after intervention (after 24 hours). Results were performed by paired -test for normally distributed data and by Wilcoxon test for nonnormally distributed data.