Table 1.
Patient Background Data.
| Group | All patients | Younger group | Older group | p value |
|---|---|---|---|---|
| Number of patients | 264 | 163 | 101 | / |
| Male sex no. (%) | 219 (83) | 151 (93) | 68 (67) | <0.001 |
| Age (years) | 54.8±12.9 | 46.7±9.0 | 67.9±5.1 | <0.001 |
| BMI (kg/m2) | 28.1±5.5 | 29.1±5.8 | 26.6±4.7 | <0.001 |
| ESS | 8.9±5.9 | 10.0±5.9 | 7.3±5.4 | <0.001 |
| Heart diseses and/or cerebrovascular diseases no. (%) | 43 (16) | 19 (12) | 24 (24) | 0.010 |
| Antihypertensive agents use no. (%) | 93 (35) | 43 (26) | 50 (50) | <0.001 |
| Calcium-channel blocker | 62 (23) | 32 (20) | 30 (30) | 0.060 |
| ACE-I/ARB | 66 (25) | 30 (18) | 36 (36) | 0.002 |
| Diuretic | 23 (9) | 7 (4) | 16 (16) | 0.001 |
| β blocker | 15 (6) | 9 (6) | 6 (6) | 0.886 |
| α blocker | 6 (2) | 3 (2) | 3 (3) | 0.549 |
| Aldosterone blocker | 5 (2) | 0 (0) | 5(5) | 0.004 |
| Diabetes mellitus no. (%) | 57 (22) | 28 (17) | 29 (28) | 0.027 |
| Dyslipidemia no. (%) | 152 (58) | 96 (59) | 56 (55) | 0.581 |
| Creatinine (mg/dL) | 0.93±0.63 | 0.86±0.19 | 1.04±0.98 | 0.022 |
| eGFR (mL/min/1.73m2) | 71.8±19.5 | 78.2±17.3 | 61.4±18.4 | <0.001 |
| 24-h Systolic blood pressure (mmHg) | 133.2±11.7 | 132.9±11.4 | 133.6±12.3 | 0.653 |
| AHI (/h) | 54.1±17.4 | 55.7±17.3 | 51.5±17.2 | 0.054 |
BMI: body mass index, ESS: Epworth sleepiness scale, ACE-I: angiotensin-converting enzyme inhibitor, ARB: angiotensin II receptor blocker, eGFR: estimated glomerular filtration rate, AHI: apnea-hypopnea index
The values are presented as the mean±s.d.