TABLE 1.

Laboratory findings

Assessment	Results	Reference range
Arterial blood gas (room air)
pH	7.004	7.35–7.45
pCO2, mmHg	14.3	35–45
pO2, mmHg	113.3	80–100
HCO3−, mmol/L	3.5	22–26
Base excess, mmol/L	−25.9	0 ± 2
Anion gap, mmol/L	35.5	10–14
Peripheral blood
White blood cell/mm3	22,800	3300–8600
Red blood cell, ×104/mm3	387	386–492
Hemoglobin, g/dl	11.7	11.6–14.8
Hematocrit, %	40	35.1–44.4
Platelet, ×104/mm3	42.0	15.8–34.8
Biochemistry
Blood urea nitrogen, mg/dl	74.1	8–20
Creatinine, mg/dl	2.97	0.65–1.09
Sodium, mmol/L	120	135–145
Potassium, mmol/L	6.9	3.6–4.8
Chlorine, mmol/L	81	98–108
Plasma glucose, mg/dl	1514	73–109
Hemoglobin A1c, %	7.8	4.6–6.2
Fasting C‐peptide, ng/ml	<0.03	0.80–2.50
Glucagon‐stimulated C‐peptide, ng/ml	<0.03	0.80–2.50
β‐hydroxybutyrate, μmol/L	13,555	0–76
Acetoacetate, μmol/L	1669	13–69
Free T4, ng/ml	1.13	0.90–1.70
Thyroid stimulating hormone, μ IU/ml	3.33	0.50–5.00
Urine C‐peptide (μg/day)	<2.6	50–100
Immunological tests
Anti‐GAD a antibody, U/ml	44.8	<5.0
Anti‐IA‐2 b antibody, U/ml	<0.6	<0.6
Anti‐ZnT8 c antibody, U/ml	<10.0	<10.0
Anti‐thyroglobulin antibody	11.13	<28
Anti‐thyroid peroxidase antibody	10.81	<16
HLA d ‐DNA typing
DRB1*04:05:01/09:01:02
DQB1*03:03:02/04:01:01

^a GAD: glutamic acid decarboxylase.

^b IA‐2: insulinoma‐associated protein‐2.

^c ZnT8: zinc transporter 8.

^d HLA: human leukocyte antigen.