Table 1.

Clinical characteristics and laboratory test of 5 patients.

	Patient 1	Patient 2	Patient 3	Patient 4	Patient 5
Rheumatic diseases	RA	RA	RA	SLE	SLE
Clinical characteristics
Cough	Yes	Yes	Yes	No	Yes
Fever	Yes	Yes	Yes	No	Yes
Rhinorrhea	No	No	Yes	No	No
Anosmia	No	No	Yes	No	No
Ageusia	No	No	Yes	No	No
Nasal obstruction	No	No	Yes	No	No
Arthralgia and myalgia	Yes	No	No	Yes	No
Headache	Yes	Yes	Yes	Yes	Yes
Asthenia	Yes	Yes	Yes	No	No
Vomiting	No	No	No	No	No
Diarrhea	No	No	No	No	No
Temperature	38.7	36.9	38.9	37.1	38.4
Blood pressure	130/80	150/100	120/75	152/110	98/69
Oxygen saturation	98	97	98	95	78
Respiratory frequency	Normal	Normal	Normal	Normal	28
Heart rate	Normal	100	Normal	Normal	130
Clinical subtype	Moderate	Moderate	Moderate	Moderate	Severe
Laboratory parameters
Hemoglobin (g/dL)	12.5	12.3	13.7	13.2	12.4
White blood cells (mm3)	6800	6100	9030	5560	19910
Segment neutrophiles (mm3)	4864	4026	7040	2520	18180
Lymphocytes (mm3)	1515	1769	1250	2580	1040
Plaquets (mm3)	271000	254000	324000	172000	333000
C-reactive protein (mg/l)	190.29	26	171.34	10.05	376.28
AST (IU/L)	30	22	36	10.63	49.91
ALT (IU/L)	31	25	41	13.06	47.02
Urea (mmol/L)	3.47	3.75	3.68	1.71	6.85
Creatinine (micromoles/L)	69.92	84	76.8	64.5	137.5
Sodium (mmol/L)	146	146	133	144	125
Potassium (mmol/L)	4.25	4.33	3.3	4.1	2.7
Calcemia (mmol/L)	2.22	2.28	2.42	2.58	2.4

RA, rheumatoid arthritis; SLE, systemic erythematosus lupus; AST, aspartate transaminase; ALT, alanine transaminase.