Table 1.
Basic characteristics of the study groups
| Patients | Range | Controls | Range | p value | |
|---|---|---|---|---|---|
| Number/gender | 12 F | 12 F | |||
| Age (years) | 66 ± 3.3 | 48–85 | 62 ± 2.7 | 46–74 | 0.5 |
| BMI (kg/m2) | 25 ± 1.9 | 16–34 | 24 ± 1.2 | 22–31 | 0.8 |
| Hemodynamic data | |||||
| SBP (mmHg) | 113 ± 15 | 92–140 | 126 ± 15 | 92–150 | 0.6 |
| DBP (mmHg) | 64 ± 14 | 47–80 | 73 ± 13 | 57–95 | 0.2 |
| MAP (mmHg) | 77 ± 10 | 54–92 | 90 ± 13 | 72–110 | 0.4 |
| HR (beats/min) | 62 ± 14 | 45–91 | 64 ± 7 | 55–76 | 0.6 |
| r–r interval (sec) | 1.00 ± 0.13 | 0.65–1.3 | 0.95 ± 0.06 | 0.78–1.08 | 0.5 |
| Microneurography | |||||
| MSNA (burst/min) | 32 ± 5.0 | 13–68 | 42 ± 12 | 24–68 | 0.1 |
| MSNA (burst/100 heartbeats) | 49 ± 17 | 26–77 | 65 ± 12 | 43–90 | 0.03 |
| MSNA (median amp %) | 37 ± 1.6 | 30–47 | 40 ± 4.6 | 33–46 | 0.1 |
Results are presented as mean ± SEM and range
BMI body mass index, HR heart rate, MAP mean arterial pressure