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 | |