Table 2.

Detail information of 4 critically-ill patients.

	Patient 1	Patient 2	Patient 3	Patient 4
Gender	Female	Male	Male	Male
Age	73	69	57	75
Length in hospital	23	5	7	10
Disease history	Hypertension	No	No	Hypertension, atrial fibrillation
Severity of illness	Critically	Critically	Critically	Critically
Survivor	No	No	No	No
T lymphocyte on admission
Lymphocyte	567	300	273	224
CD3+T-cell	282	189	169	159
CD4+T-cell	172	144	92	93
CD8+T-cell	79	44	77	83
B-cell	105	55	32	25
NK-cell	168	56	77	40
Inflammatory cytokines
SAA	250.42	>300.00	155.73	>300
CRP	43.66	68.81	25.97	38.94
IL1β	4.9	5	7	5
IL-6	6.58	7.1	12.4	18.1
IL-10	21.6	24.9	30.2	7.8
Treatment	Anti-virus: Ribavirin, Arbidol; Antibiotics: cephalosporin, meropenem	Anti-virus: Ribavirin, Arbidol; Antibiotics: moxifloxacin	Anti-virus: Arbidol; Antibiotics: cephalosporin	Anti-virus: Ribavirin, Arbidol; Antibiotics: moxifloxacin, meropenem
Respiratory support	Non-invasive mechanical ventilation
Immune globulin	No	Yes	No	Yes
Corticosteroids	methylprednisolone	No	methylprednisolone	No
T lymphocyte after 3–10 days
Lymphocyte	273	593	336	578
CD3+T-cell	165	368	169	392
CD4+T-cell	123	241	122	166
CD8+T-cell	42	111	49	206
B-cell	64	68	105	54
NK-cell	39	129	82	17