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. Author manuscript; available in PMC: 2019 Sep 27.
Published in final edited form as: Endokrynol Pol. 2018 Sep 27;69(6):675–681. doi: 10.5603/EP.a2018.0063

Table II.

Basic hormonal investigations at the diagnosis and hormonal values after low- and high-dose dexamethasone (Dx) test (Liddle’s test)

Patient 1 8.00 a.m. Reference After 0.5 mg of Dx every six hours for two days After 2 mg of Dx every six hours for two days
Cortisol [ug/dl] 15.2 5–20 15.4 15.9
ACTH [pg/ml] 4.73 10–60 2.0 < 2.0
Androstenedione [ng/dl] 409 50–370 409 512
DHEAS [ng/ml] 716 350–4300 725 917
Testosterone [pg/ml] 869 88.4–964 869 618
Patient 2 8.00 a.m. Reference After 0.5 mg of Dx every six hours for two days After 2 mg of Dx every six hours for two days
Cortisol [ug/dl] 20.7 5–25 28.2 26.2
ACTH [pg/ml] < 10 10–50 < 10.0 < 10.0
Androstenedione [ng/dl] 338 60–380 362 452
DHEAS [ng/ml] 892 800–5600 970 —
Testosterone [pg/ml] 443 88.4–964 — —