Table 7. Trials on intake of types of protein and blood pressure.

Author, year	Study design	Participants	Initial BP (plant protein intervention vs. animal protein intervention)	Type of intervention	ΔProtein	ΔCH	ΔFat	Duration of intervention	ΔBP due to intervention (SBP/DBP)	P-value
Wheeler, 2002[53]	x, …	23 type 2 diabetes patients, with albuminuria1	151/85 mmHg	Meals with only plant prot vs. meals with 60% nimal and 40% plant prot	0	0	0	6 weeks for each diet	+1/+1 mmHg*	0.90/0.75
Brussaard, 1981[54]	p, …	49 healthy normotensive students	123/69 mmHg vs. 124/69 mmHg	Soy prot isolate vs. casein prot isolate (2:1)	0	0	0	4 weeks	+0.6/+0.3 mmHg*	NS/NS

x = cross-over, p = parallel; SBP = systolic blood pressure, DBP = diastolic blood pressure, M = men, F = women, en% = energy percentage; CH = carbohydrates; prot = protein; NS = not statistically significant (p>0.05); …  =  value not given; *Best guess based on graph/implicit data in paper.

¹Users of anti-hypertensive medication were not excluded.