Table 2.

Laboratory results during hospitalization, Case 2 patient, 78-year-old male.

	On admission (day 3 of illness)	Day 7 of illness	Day 11 of illness
Leukocytes, cell/mm3	6670	8140	5960
Neutrophils, %	81.3	85	76.5
Lymphocytes, %	14.5	9	14.5
Erythrocyte × 104/μL	438	437	417
Hemoglobin, g/dL	14.5	14.2	14.2
Hematocrit, %	42	41	39.5
Platelets, × 104/μL	17.7	11.5	21.4
Total bilirubin, mg/dL	1.15	1.18	0.64
AST, IU/L a	35	49	46
ALT, IU/Lb	40	50	51
LDH, IU/Lc	266	342	333
Blood urea nitrogen, mg/dL	20	22	10
Creatinine, mg/dL	1.09	1.09	0.75
C-reactive protein, mg/dL	4.84	8.64	3.41
PT-INR	1.01	1.05	0.98
APTT, sec	37.5	33.2	29.9
D-dimer, μg/mL	2	2	2.3
Administered oxygen	Room air (day 4 of illness)	High flow nasal, 45L, 45%, oxygen	Nasal, 2L, oxygen
Arterial blood gas levels
PaCO2, mm Hgd	29.2	28.6	35.2
PaO2, mmHge	49.5	79.5	86.9
pH	7.48	7.41	7.45
Bicarbonate, mmol/L	21	17.8	24
Base excess, mmol/L	−1.3	−5.4	−1.6

^aAspartate aminotransferase.

^bAlanine aminotransferase.

^cLactate dehydrogenase.

^dArterial carbon dioxide partial pressure.

^eArterial oxygen partial pressure.