Table 1.

Laboratory findings at admission (January 2018)

Hematology
Red blood cells	379 × 104/μl	(386–492)
Hemoglobin	11.3 g/dl	(11.6–14.8)
Hematocrit	33.7%	(35.1–44.4)
White blood cells	3600/μl	(3300–8600)
Platelets	20.9 × 104/μl	(15.8–34.8)
Blood chemistry
Fasting plasma glucose	65 mg/dl	(70–109)
Immunoreactive insulin	< 0.2 μU/ml	(2.2–12.4)
Glycated hemoglobin	5.2%	(4.6–6.2)
Total cholesterol	161 mg/dl	(142–248)
Triglycerides	62 mg/dl	(30–117)
Total protein	6.2 g/dl	(6.6–8.1)
Albumin	3.7 g/dl	(4.1–5.1)
Aspartate aminotransferase	31 IU/L	(13–30)
Alanine aminotransferase	12 IU/L	(7–23)
Creatine phosphokinase	59 IU/L	(41–153)
Urea nitrogen	11.4 mg/dl	(8.0–18.4)
Creatinine	0.66 mg/dl	(0.46–0.79)
Uric acid	2.5 mg/dl	(2.6–5.5)
Sodium	124 mEq/L	(137–147)
Potassium	4.8 mEq/L	(3.5–4.7)
Chloride	90 mEq/L	(98–108)
Calcium	8.7 mg/dl	(8.8–10.1)
C-reactive protein	0.16 mg/dl	(0–0.14)
Immunoglobulin G4	35 mg/dl	(5–117)
Carcinoembryonic antigen	208.0 ng/ml	(0–4.76)
Sialyl-Lewis X	26.6 U/ml	(0–37.9)
Cytokeratin 19 fragments	1.6 ng/ml	(0–2.1)
Squamous cell carcinoma antigen	1.1 ng/ml	(0–1.5)
Plasma osmolality	254 mOsm/L	(275–290)
Arginine vasopressin	1.0 pg/ml
Thyroid-stimulating hormone	4.84 μIU/ml	(0.50–5.00)
Free thyroxine	1.44 ng/dl	(0.90–1.70)
Free triiodothyronine	3.22 pg/ml	(2.30–4.00)
Adrenocorticotropic hormone	2.6 pg/ml	(7.2–63.3)
Serum cortisol	< 0.2 μg/dl	(4.5–21.1)
Dehydroepiandrosterone sulfate	< 20 ng/ml	(120–1330)
Plasma renin activity	0.2 ng/ml/h	(0.2–2.3)
Aldosterone	8.8 ng/dl	(3.0–15.9)

The reference range for each parameter is shown in parentheses

Blood samples were taken in the morning (10 a.m.) with the patient in supine position. The patient was taking thyroid hormone replacement therapy with oral levothyroxine (50 μg/day) for primary hypothyroidism