Table 1.

Laboratory findings on admission

Laboratory test	Reference range	Initial value
Glucose (mg/dL)	75–100	784
Hemoglobin A1c (%)	4.6–6.2	9.9
Blood pH	7.35–7.45	6.923
Bicarbonate (mmol/L)	22.0–26.0	3.7
Sodium (mmol/L)	135–147	118
Potassium (mmol/L)	3.3–4.8	6.4
Chloride (mmol/L)	98–108	76
Phosphate (mg/dL)	2.5–4.5	2.0 †
Blood urea nitrogen (mg/dL)	8–20	50
Creatinine (mg/dL)	0.7–1.2	2.37
Albumin (g/dL)	4.0–5.1	4.6
Aspartate transaminase (IU/L)	8–38	43
Creatinine kinase (IU/L)	30–200	1,035 †
N‐terminal‐pro‐B‐type natriuretic peptide (pg/mL)	≤125	6,029 †
Beta‐hydroxybutyrate (µmol/L)	≤85	14,354
C‐peptide (ng/mL)	0.6–1.8	≤0.03
Urinary C‐peptide (µg/day)	20.1–155	≤0.8 ‡
Anti‐GAD65 antibody (U/mL)	≤1.5	9.1

Anti‐GAD65 antibody, anti‐glutamic acid decarboxylase 65 antibody.

^†Measured on day 2.

^‡Measured on day 8.