Skip to main content

Table 4 Proportion of terminal digits for systolic 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 22 0 23 0 21 0 18 0 17 0 0.4488
B 33 6 9 3 5 22 5 4 9 4 <0.0001
C 18 0 20 0 20 0 19 0 23 0 0.1352
Omron i-C10 D 9 11 11 9 10 11 11 9 11 9 0.9826
E 11 10 10 9 10 10 9 11 10 9 0.7936
F 12 9 11 7 11 7 6 13 15 9 0.0007
Omron M6 G 11 10 9 10 11 10 10 10 9 10 0.0464
H 10 8 12 8 9 11 9 13 12 8 0.2126
Other Omron models I 10 8 12 9 11 8 9 9 11 12 0.4071
J 11 10 12 10 9 9 9 10 10 10 0.1308
Other brands K 9 11 9 12 11 10 13 7 9 9 0.1753
L 10 10 13 10 9 10 8 9 9 11 0.5258