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Table 3 Distribution of systolic hypertension at age 81, defined as values above 140 mmHg (part A), and above 160 mmHg (part B), estimated by both Korotkoff method (K-BP) and by Strain-Gauge Pletysmography (SG-BP)

From: Phenomenon of declining blood pressure in elderly - high systolic levels are undervalued with Korotkoff method

A.

SG-BP > 140 mmHg

  

No (n = 39; 12%)

Yes (n = 137; 88%)

K-BP > 140 mmHg

No

29 (74%)

63 (46%)

 

Yes

10 (26%)

74 (54%)

B.

SG-BP > 160 mmHg

  

No (n = 92; 52%)

Yes (n = 84; 48%)

K-BP > 160 mmHg

No

92 (100%)

80 (95%)

 

Yes

0 (0%)

4 (5%)