TABLE 1.
Clinical characteristics of patients stratified by the presence of various forms of OH
| Variable | Non‐OH (n = 354) | Initial OH (n = 54) | Sustained OH (n = 65) | Overall p‐value |
|---|---|---|---|---|
| Demographic | ||||
| Male, n (%) | 271 (76.5) | 41 (75.9) | 46 (70.8) | .606 |
| Age, years | 69.8 ± 12.3 b | 67.9 ± 15.2 c | 75.7 ± 11.3 b , c | .001 |
| Comorbid diseases, n (%) | ||||
| Hypertension | 252 (71.2) b | 33 (61.1) c | 54 (83.1) b , c | .028 |
| Coronary heart disease | 183 (51.7) | 20 (37.0) c | 40 (61.5) c | .028 |
| Dyslipidemia | 279 (78.8) | 40 (74.1) | 46 (70.8) | .309 |
| Diabetes mellitus | 112 (31.6) b | 17 (31.5) c | 34 (52.3) b , c | .005 |
| Medications, n (%) | ||||
| ACEI/ARB | 158 (44.6) | 18 (33.3) | 28 (43.1) | .295 |
| Beta‐blockers | 182 (51.4) | 27 (50.0) | 34 (52.3) | .969 |
| Calcium antagonists | 129 (36.4) | 16 (29.6) | 23 (35.4) | .622 |
| Diuretics | 35 (9.9) | 2 (3.7) | 10 (15.4) | .105 |
| Alpha‐receptor blockers | 56 (15.8) | 9 (16.7) | 17 (26.2) | .128 |
| Clinical parameters | ||||
| BMI (kg/m2) | 25.0 ± 3.2 | 24.8 ± 3.1 | 24.7 ± 3.9 | .707 |
| baPWV (m/s) | 16.7 ± 3.4 b | 16.3 ± 3.1 c | 17.8 ± 3.1 b , c | .035 |
| Symptoms of OH | 16 (4.5) b | 6 (11.1) c | 20 (30.8) b , c | <.001 |
Abbreviations: ACEI, angiotensin‐converting enzyme inhibitor; ARB, angiotensin II receptor blocker; BMI, body mass index; baPWV, brachial‐ankle pulse wave velocity.
a
Significant difference between non‐OH and initial OH.
b
Significant difference between non‐OH and sustained OH.
c
Significant difference between initial OH and sustained OH.