Table 5.
Diagnostic Concordance Rate between CT and AVS Findings in Patients with Hypokalemia, Plasma Aldosterone Concentration >30.0 ng/dL, and Unilateral Lesion on CT (n=136), Stratified by Age
| Variable | Total (n=139) | Age, yr (<35, 35–39, 40–49, ≥50) | Age, yr (<50, ≥50) | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
||||||||
| < 35 (n=11) | 35–39 (n=12) | 40–49 (n=51) | ≥50 (n=65) | P value | <50 (n=74) | ≥50 (n=65) | P value | ||
| Unilateral PA on AVS | 0.658 | 0.773 | |||||||
| Ipsilateral lesion on CT | 125 (89.9) | 9 (81.8) | 12 (100.0) | 47 (92.2) | 57 (87.7) | 68 (91.9) | 57 (87.7) | ||
| Contralateral lesion on CT | 2 (1.4) | 0 | 0 | 1 (2.0) | 1 (1.5) | 1 (1.4) | 1 (1.5) | ||
|
| |||||||||
| Bilateral PA on AVS | 12 (8.6) | 2 (18.2) | 0 | 3 (5.9) | 7 (10.8) | 5 (6.8) | 7 (10.8) | ||
|
| |||||||||
| Concordance between CT and AVS | 0.419 | 0.590 | |||||||
| Concordance | 125 (89.9) | 9 (81.8) | 12 (100.0) | 47 (92.2) | 57 (87.7) | 68 (91.9) | 57 (87.7) | ||
| Discordance | 14 (10.1) | 2 (18.2) | 0 | 4 (7.8) | 8 (12.3) | 6 (8.1) | 8 (12.3) | ||
Values are expressed as number (%).
CT, computed tomography; AVS, adrenal vein sampling; PA, primary aldosteronism.