Diagnostic Value of I-131 NP-59 SPECT/CT Scintigraphy in Patients with Subclinical or Atypical Features of Primary Aldosteronism
Table 3
Comparison of variables between the control and SPECT/CT groups.
Variable
Control group (n = 9)
SPECT/CT group (n = 6)
P ‡
Age (y)†
58 (32–72)
51 (27–57)
.157
Male gender (n [%])
2 (22%)
3 (50%)
.329
Systolic BP (mm Hg)†
180 (146–230)
147 (144–206)
.077
Diastolic BP (mm Hg)†
105 (71–130)
90 (80–115)
.237
Serum potassium (mEq/L)†
2.6 (1.6–3.49)
3.6 (2.2–4.32)
.029
PAC (ng/dL)†
32.1 (21.7–110.7)
28.4 (25.3–37.2)
.239
PRA (ng/mL/h)†
0.06 (0.05–0.53)
1.47 (0.06–2.52)
.058
Aldosterone-renin ratio (ARR)†
352.3 (23–642)
18.7 (13–447)
.025
CT size (mm)†
18 (11–22)
10.5# (9–17#)
.007
Pathological size (mm)†
20 (10–25)
10* (0.8–17*)
.015
Abbreviations are the same as Tables 1 and 2. †Data are expressed as median (range). #; patients 10 and 15 were excluded in this variable because of normal appearance of adrenal glands on the CT scan.
*
; patient 15 was excluded in this variable because of bilateral adrenal hyperplasia. ‡ as significant.
