Table 3. Independent Association of C-AVS with Adequate Bilateral Sampling.
| Variable | Univariate | Multivariate | ||
|---|---|---|---|---|
| OR (95% CI) | P value | OR (95% CI) | P value | |
| C-AVS (vs. AVS) | 11.48 (4.67–28.19) | <0.001 | 9.01 (2.50–32.40) | <0.001 |
| Adjusted right side SI | 1.07 (1.03–1.12) | <0.001 | 1.07 (1.03–1.12) | <0.001 |
| Age, yr | 1.01 (0.97–1.04) | 0.672 | 0.98 (0.93–1.03) | 0.560 |
| Women (vs. men) | 1.27 (0.58–2.79) | 0.540 | 1.48 (0.50–4.40) | 0.474 |
| BMI, kg/m2 | 1.03 (0.92–1.16) | 0.571 | 1.10 (0.95–1.29) | 0.188 |
| Lateralization on CT | 0.83 (0.35–1.97) | 0.687 | 0.62 (0.17–2.16) | 0.456 |
| SBP, mm Hg | 0.98 (0.96–1.00) | 0.216 | 1.01 (0.97–1.04) | 0.566 |
| Serum potassium, mmol/L | 2.31 (1.25–4.28) | 0.007 | 1.40 (0.57–3.42) | 0.453 |
| ARR | ||||
| Lowest tertile | 1.00 (1.00–1.00) | Reference | 1.00 (1.00–1.00) | Reference |
| Middle tertile | 0.87 (0.27–2.81) | 0.823 | 0.64 (0.15–2.74) | 0.552 |
| Highest tertile | 0.45 (0.15–1.36) | 0.161 | 1.13 (0.24–5.32) | 0.875 |
C-AVS, C-arm CT-assisted AVS; OR, odds ratio; CI, confidence interval; AVS, adrenal venous sampling; SI, selectivity index; BMI, body mass index; CT, computed tomography; SBP, systolic blood pressure; ARR, aldosterone-to-renin ratio.