Table 1  Serial laboratory results of the patient
Variables  Illness day 3 (HD 1)  Illness day 6 (HD 4)  Illness day 7 (HD 5)  Illness day 8 (HD 6)  Illness day 10 (HD 8)  Illness day 12 (HD 10)  Illness day 14 (HD 12)  Illness day 16 (HD 14)
White blood cell count, ×103/µL  7,200  5,800  5,200  6,700  6,000  6,700  8,600  9,100
Segment neutrophil, %  59.0  64.2  50.3  69.3  58.8  55.5  63.1  63.0
Lymphocyte, %  28.5  24.0  36.5  19.1  30.9  29.4  24.4  24.9
Monocyte, %  11.5  11.0  11.6  10.7  9.2  13.5  10.9  10.2
Eosinophil, %  0.6  0.3  1.0  0.6  0.8  1.3  1.3  1.5
Hemoglobin, g/dL  16.3  15.4  16.1  15.3  15.2  14.9  14.2  13.9
Platelets, ×103/µL  301  176  212  225  229  287  358  507
Glucose, mg/dL  97  114  -  -  -  -  -  103
BUN, mg/dL  13.0  7.0  10.1  9.1  9.6  7.9  6.3  8.1
Creatinine, mg/dL  1.0  0.8  1.2  0.8  1.0  0.8  0.8  0.9
Total bilirubin, mg/dL  0.50  0.47  -  0.35  0.61  0.74  0.85  1.09
AST, U/L  27  31  -  22  127  54  19  17
ALT, U/L  29  37  -  29  106  83  45  30
Uric acid, mg/dL  8.6  7.0  -  -  -  -  -  -
CK, U/L  -  43  -  -  -  31  30  28
ALP, U/L  -  62  -  -  -  140  113  95
LDH, U/L  -  332  -  -  -  -  351  329
Sodium, mmol/L  138  135  138  137  138  138  138  139
Potassium, mmol/L  4.3  4.1  4.8  4.2  4.2  4.3  4.2  4.3
Chloride, mmol/L  104  104  105  104  102  103  103  103
Total protein, g/dL  7.4  6.4  6.8  6.3  6.3  6.4  6.3  6.5
Albumin, g/dL  4.5  3.9  4.1  3.8  3.8  3.8  3.7  3.7
ESR, mm/hr  26  27  -  -  66  -  -  82
CRP, mg/dL  0.43  1.23  -  4.51  10.94  9.11  11.20  3.60
Pro-Calcitonin, ng/mL  -  0.06  -  -  -  -  -  -
PT, sec  12.5  12.9  -  -  13.2  13.1  13.6  13.6
PT INR  0.96  1.00  -  -  1.03  1.02  1.07  1.07
aPTT, sec  40.4  38.5  -  -  38.8  38.0  40.1  40.7
D-dimer, µg/mL (FEU)  -  0.28  -  -  -  -  1.22  -
HD = hospital day, AST = aspartate aminotransferase, ALT = alanine aminotransferase, CK = creatine kinase, ALP = alkaline phosphatase, LDH = lactate dehydrogenase, ESR = erythrocyte sedimentation rate, CRP = C-reactive protein, PT = prothrombin time, INR = international normalized ratio, aPTT = activated partial thromboplastin time, FEU = fibrinogen equivalent units.