Skip to main content

Table 5 Proportion of terminal digits for diastolic blood pressure

From: Challenges in standardization of blood pressure measurement at the population level

Device

Survey

Terminal digit (%)

p-value forχ2-test

0

1

2

3

4

5

6

7

8

9

Mercury sphygmomanometer

A

21

0

19

0

26

0

18

0

16

0

0.0392

B

35

8

8

5

7

17

6

5

6

4

<0.0001

C

22

0

17

0

19

0

19

0

23

0

0.0317

Omron i-C10

D

15

12

9

9

8

9

10

10

8

9

0.0122

E

11

9

9

9

11

10

9

12

10

11

0.2596

F

11

10

7

10

9

12

11

10

9

10

0.4936

Omron M6

G

10

9

10

10

10

10

10

10

10

10

0.7859

H

9

9

10

12

10

10

10

11

10

9

0.9850

Other Omron models

I

12

12

10

11

12

9

9

9

9

8

0.1123

J

11

9

10

11

9

10

10

11

10

9

0.4148

Other brands

K

11

11

10

12

9

10

8

8

9

12

0.2285

L

11

9

11

9

11

9

9

11

11

9

0.9030