Table 1. Baseline Characteristics of the Study Subjects in Pre- and Post-C-AVS Era.
| Variable | Pre-C-AVS (n=32) | Post-C-AVS (n=124) | P value |
|---|---|---|---|
| Age, yr | 46.2±10.5 | 50.0±11.4 | 0.093 |
| Sex | 0.438 | ||
| Male | 14 (43.7) | 45 (36.2) | |
| Female | 18 (56.2) | 79 (63.7) | |
| Body mass index, kg/m2 | 24.7±3.1 | 24.8±3.8 | 0.879 |
| Systolic blood pressure, mm Hg | 157±21 | 146±14 | 0.001 |
| Diastolic blood pressure, mm Hg | 94±14 | 91±12 | 0.333 |
| Serum potassium, mmol/L | 3.1±0.6 | 3.7±0.5 | <0.001 |
| PRA, ng/mL/hr | 0.11 (0.07–0.20) | 0.21 (0.10–0.42) | 0.006 |
| PAC, ng/dL | 24.7 (18.4–55.5) | 34.4 (20.5–56.3) | 0.329 |
| ARR, ng/dL per ng/mL/hr | 389 (157–1,068) | 121 (55–428) | 0.002 |
Values are expressed as mean±SD, number (%), or median (interquartile range).
C-AVS, C-arm computed tomography-assisted adrenal venous sampling; PRA, plasma renin activity; PAC, plasma aldosterone concentration; ARR, aldosterone to renin ratio.