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. Author manuscript; available in PMC: 2010 Jun 15.
Published in final edited form as: Am J Hypertens. 2009 Sep 17;22(12):1281–1286. doi: 10.1038/ajh.2009.176

Table 3.

Blood pressure responses to dietary interventions

Blood pressure, mmHg Mean
(95% CI)		 p-value Percentiles
25th 50th 75th 90th
BP responses to low-sodium intervention (No. = 1,871)
    Systolic −5.5
(−5.8, −5.1)		 <0.0001 −8.9 −4.4 −1.3 2.2
    Diastolic −2.8
(−3.0, −2.5)		 <0.0001 −5.6 −2.7 0.4 3.8
    MAP −3.7
(−3.9, −3.4)		 <0.0001 −6.6 −3.3 −0.6 2.3
BP responses to high-sodium intervention (No. = 1,860)
    Systolic 4.9
(4.6, 5.1)		 <0.0001 0.7 4.7 8.2 12.4
    Diastolic 1.9
(1.7, 2.2)		 <0.0001 −1.6 1.8 5.3 8.7
    MAP 2.9
(2.7, 3.1)		 <0.0001 −0.4 2.7 5.9 9.1
BP responses to potassium supplementation (No. = 1,843)
    Systolic −3.5
(−3.8, −3.3)		 <0.0001 −6.2 −2.7 −0.4 2.0
    Diastolic −1.4
(−1.6, −1.2)		 <0.0001 −4.0 −1.3 1.3 4.2
    MAP −2.1
(−2.3, −1.9)		 <0.0001 −4.4 −1.7 0.4 2.9

BP = blood pressure; MAP = mean arterial pressure; CI = confidence intervals.