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. 2009 May 22;4(5):e5673. doi: 10.1371/journal.pone.0005673

Table 3. Does systolic blood pressure vary to the same degree as diastolic blood pressure?

Review (1+2) Unconfounded baseline plus end of treatment values in treatment and control groups
SD of SBP±SE mmHg 14.0±0.4 (n = 88)
SD of DBP±SE mmHg 7.7+0.3 (n = 52)
CV of SBP±SE % ∧∧ 9.2±0.2 (n = 88)
CV of DBP±SE % 8.3+0.4 (n = 52)

SD = Standard Deviation; SE = Standard Error; SBP = Systolic Blood Pressure; DBP = Diastolic Blood Pressure; CV = Coefficient of Variation; n = number of observations.

p<0.0001 unpaired t test SD of SBP versus DBP.

∧∧

p = 0.04 unpaired t test CV of SBP versus DBP.