Table 3.
Standard deviation and coefficient of variation for brachial and aortic blood pressures, as well as for heart rate in patients with or without target organ damage (TOD)
| Standard deviation | Coefficient of variation | |||||
|---|---|---|---|---|---|---|
| With TOD (N = 92) | Without TOD (N = 86) | P value | With TOD (N = 92) | Without TOD (N = 86) | P value | |
| Brachial | ||||||
| 24‐ h SBP | 15.8 ± 4.7 | 13.6 ± 3.4 | <.001 | 11.8 ± 3.2 | 10.9 ± 2.4 | .036 |
| 24‐ h DBP | 11.0 ± 3.4 | 11.7 ± 3.7 | .156 | 13.8 ± 3.9 | 14.7 ± 3.7 | .105 |
| Daytime SBP | 15.0 ± 4.9 | 11.8 ± 3.7 | <.001 | 10.9 ± 3.3 | 9.2 ± 2.8 | <.001 |
| Daytime SBP | 9.5 ± 3.4 | 9.1 ± 3.4 | .452 | 11.4 ± 3.9 | 11.0 ± 4.1 | .405 |
| Nighttime SBP | 12.1 ± 4.9 | 10.9 ± 3.2 | .048 | 9.6 ± 3.8 | 9.5 ± 2.8 | .835 |
| Nighttime DBP | 9.1 ± 3.2 | 9.3 ± 2.7 | .639 | 12.5 ± 4.3 | 13.3 ± 4.1 | .219 |
| Aortic | ||||||
| 24‐ h SBP | 14.9 ± 4.4 | 13.0 ± 3.4 | .001 | 12.2 ± 3.4 | 11.2 ± 2.7 | .038 |
| 24‐ h DBP | 11.2 ± 3.4 | 11.9 ± 3.0 | .183 | 13.8 ± 3.8 | 14.7 ± 3.7 | .104 |
| Daytime SBP | 13.9 ± 4.6 | 11.0 ± 3.6 | <.001 | 11.1 ± 3.4 | 9.2 ± 3.1 | <.001 |
| Daytime SBP | 9.7 ± 3.4 | 9.1 ± 3.4 | .317 | 11.4 ± 3.8 | 10.8 ± 4.0 | .293 |
| Nighttime SBP | 12.3 ± 4.5 | 11.1 ± 3.2 | .048 | 10.8 ± 3.7 | 9.9 ± 2.6 | .062 |
| Nighttime DBP | 9.4 ± 3.2 | 9.4 ± 2.7 | .987 | 12.7 ± 4.3 | 13.2 ± 4.1 | .401 |
| Heart rate | ||||||
| 24‐ h HR | 8.4 ± 3.1 | 10.5 ± 3.4 | <.001 | 12.1 ± 3.9 | 14.7 ± 4.4 | <.001 |
| Daytime HR | 7.4 ± 2.7 | 8.7 ± 2.8 | .002 | 10.3 ± 3.5 | 11.6 ± 3.5 | .015 |
| Nighttime HR | 4.7 ± 2.1 | 6.3 ± 2.3 | <.001 | 7.4 ± 3.1 | 10.1 ± 3.7 | <.001 |
DBP, diastolic BP; HR, heart rate; SBP, systolic BP.