Table 1.

Laboratory data

Variable	On presentation	Reference range, Adults
Haematocrit (%)	38.5	36–46
Haemoglobin (g/dL)	11.9	12–16
White cell count (per μL)	9050	4500–11 000
Differential count (%)
Neutrophils	88.9	40–70
Lymphocytes	8.4	22–44
Monocytes	2.0	4–11
Eosinophils	0.5	0–8
Basophils	0.1	0–3
Platelet count (per μL)	92 000	150 000–400 000
Red cell count (per μL)	5 450 000	4 000 000–5 900 000
Mean corpuscular volume (fL)	70.7	80–100
Sodium (mmol/L)	135	135–145
Potassium (mmol/L)	4.2	3.4–5.0
Chloride (mmol/L)	102	98–108
Carbon dioxide (mmol/L)	20	23–32
Albumin (g/dL)	35	3.3–5.0
Calcium (mg/L)	83	88–102
Phosphorus (mg/L)	25	25–45
Magnesium (mg/L)	12	17–25
Alanine aminotransferase (UI/L)	39	16–63
Aspartate aminotransferase (UI/L)	42	10–50
Prothrombin time
Patient time	15.8
%	69	79%–120%
International normalized ratio	1.48	<1.2
Thromboplastin time
Patient time	40
Ratio	1.35	<1.2
Lactic acid (mmol/L)	2.1	0.5–2.2
Procalcitonin (ng/mL)	0.33	0–0.5
C-reactive protein (ng/mL)	44.3	0–9
B-type natriuretic peptide (pg/mL)	136	0–129