Table 1.

Demographic and clinical characteristics of study subjects.

Variables	Healthy control [25]	Moderate/Severe [25]	Critical [26]
Age (years)	52.6 ± 7.0	59.9 ± 15.6	65.1 ± 12.5
Male (n; %)	15 (60)	11 (44)	8 (31)
Female (n; %)	10 (40)	14 (56)	18 (69)
O2 saturation	–	90.1 ± 5.27	88.9 ± 5.91
Respiratory rate	–	18.7 ± 2.30	19.7 ± 3.15
LDH	227 ± 43	743 ± 310	1053 ± 639
CRP	2.6 ± 1.5	55 ± 32	112 ± 92
ESR	13 ± 5	34 ± 28	60 ± 29
BUN	15 ± 4	26 ± 13	26 ± 11
Cr	0.9 ± 0.2	1 ± 0.4	1 ± 0.5
AST	24 ± 8	53 ± 59	45 ± 29
ALT	25 ± 10	35 ± 21	40 ± 31
ALP	125 ± 81	161 ± 72	210 ± 121
WBC	6668 ± 1254	5883 ± 2708	10326 ± 4547
Total bilirubin	0.44 ± 0.08	0.43 ± 0.06	0.79 ± 0.64
Direct bilirubin	0.23 ± 0.06	0.20 ± 0.02	0.35 ± 0.35
RBC	6.15 ± 7.13	4.70 ± 0.65	4.14 ± 0.57
Lymphocytes	2504 ± 481	1634 ± 1719	1149 ± 381
Neutrophil	5184 ± 8341	4510 ± 2586	8936 ± 4324
PLT	234600 ± 65468	206083 ± 70078	192923 ± 75620
NLR	1.56 ± 0.63	4.41 ± 2.74	6.12 ± 5.40
PLR	91 ± 24	205 ± 122	183 ± 94
Hb	14 ± 1.69	13 ± 2.15	11 ± 2.05