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Table 3 The results of biochemical tests in the studied patients

From: Bilateral inferior petrosal sinus sampling: validity, diagnostic accuracy in lateralization of pituitary microadenoma, and treatment in eleven patients with Cushing’s syndrome – a single-center retrospective cohort study

Case number

Basal serum cortisol (mcg/dl)

Basal 24-hour UFC (mcg/dl)

ACTH

(pg/ml)

Serum cortisol after HDDST (mcg/dl) (% of Suppression)

24-hour UFC after HDDST (mcg/dl) (% of Suppression)

1

54.5

1350

53

NA

325(76%)

2

19.4

650

29.3

2.63(86%)

29.5(95%)

3

24.9

570

25

9.8(61%)

120(79%)

4

15

422

30

8.8(41%)

38(91%)

5

43.6

610

155

31.9(27%)

500(18%)

6

19.2

574

98

18.6(3%)

274(52%)

7

27.3

1100

45.8

19.5(29%)

310(72%)

8

27

670

58.8

5.8(79%)

NA

9

26

1545

82.6

23(12%)

581(62%)

10

23

1280

125

5.7(75%)

130(90%)

11

27

940

64

36(0%)

579(38%)

  1. UFC: urine free cortisol; ACTH: adrenocorticotropic hormone; HDDST: high dose dexamethasone suppression test; NA: not assessed due to non-standard condition of the sample