TABLE 2

The patient’s laboratory results on admission

Test	Value^{^a}	Reference range
Glucose	88 mg/dL	70–100
Sodium	125 mmol/L	135–148
Potassium	4.0 mmol/L	3.5–5.3
Chloride	93 mmol/L	92–108
Bicarbonate	18 mmol/L	22–30
Blood urea nitrogen	17 mg/dL	8–23
Creatinine	0.82 mg/dL	0.50–1.00
Calcium	7.7 mg/dL	8.2–9.6
Albumin	2.8 g/dL	3.8–5.1
Hemoglobin^{^b}	9.9 g/dL	13.1–17.5
Platelet count	328 × 10⁹/L	150–400
White blood cell count	14.8 × 10⁹/L	4.0–10.0
Hematocrit^{^b}	28.4%	40.0-51.0%
Red blood cell count	3.31 × 10¹²/L	4.6–6.0
Mean corpuscular volume	85.8 fL	80–100.0
Absolute neutrophil count	11.4 × 10⁹/L	1.7–6.5
Absolute lymphocyte count	1.3 × 109/L	8.0–4.0
Absolute monocyte count	1.2 × 10⁹/L	0.2–1.0
Automated absolute neutrophil count	9.9 × 10⁹/L	1.7–6.5
Absolute eosinophil count	1.0 × 10⁹/L	< 0.6

↵a Abnormal results are shown in bold.
↵b Previous studies showed microcytic iron deficiency anemia with low ferritin, serum iron, and transferrin saturation.