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Table 3 Effects of increasing dietary fibre intakes on cardiometabolic risk factors in patients with established hypertension

From: Dietary fibre in hypertension and cardiovascular disease management: systematic review and meta-analyses

Outcome Trial arms Participants (I/C) Initial I2 MD (95% CI) Grade
Systolic blood pressure (mmHg) 9 281/250 99% − 4.3 (− 5.8 to − 2.8) High
Diastolic blood pressure (mmHg) 9 281/250 99% − 3.1 (− 4.4 to − 1.7) High
Total cholesterol (mmol/L) 5 190/144 98% − 0.22 (− 0.45 to 0.01) Low
LDL cholesterol (mmol/L) 3 137/88 97% − 0.29 (− 0.40 to − 0.17) Low
HDL cholesterol (mmol/L) 4 169/119 93% 0.02 (− 0.01 to 0.05) Low
Triglycerides (mmol/L) 4 169/119 99% − 0.19 (− 0.30 to − 0.08) Low
Body weight (kg) 3 137/88 99% − 0.14 (− 1.36 to 1.08) Low
BMI (kg/m2) 2 92/45 99% − 1.3 (− 2.1 to − 0.5) Low
HbA1c (%) 1 32/31 - 0.3 (0.20 to 0.40) Very low
Fasting plasma glucose (mmol/L) 5 195/153 99% − 0.48 (− 0.91 to − 0.05) Moderate
Fasting plasma insulin (pmol/L) 4 150/110 97% − 3.5 (− 5.5 to − 1.6) Low