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Table 2 Pearson Correlation coefficients

From: The BpTRU automatic blood pressure monitor compared to 24 hour ambulatory blood pressure monitoring in the assessment of blood pressure in patients with hypertension

  Mean 24 hr daytime systolic Mean 24 hr daytime diastolic
Mean of the blood pressure measurements at the last three office visits r = 0.145 r = 0.316
1st BpTRU measurement r = 0.473 r = 0.554
Average BpTRU(out of 5) r = 0.571 r = 0.610