Table 1.

Characteristics of the two respiratory viral pneumoniae groups.

Characteristics	COVID-19 group(n = 15)	Influenza A group (n = 18)	p-value
Number	15	18
Age (years)	51.07 ± 13.20	58.72 ± 22.19	0.23
Gender (male/female)	9/6	5/13	0.13
Epidemiological exposure history (yes/no)	12/3	4/14	0.00*
Onset time	3.63 ± 1.01	3.90 ± 1.22	0.69
Temperature (°C)	38.1 ± 0.65	38.1 ± 1.03	0.98
Headache (yes/no)	3/12	2/16	0.8
Diarrhea (yes/no)	1/14	0/18	0.9
Vomit (yes/no)	0/15	1/17	1
Dyspnea (yes/no)	1/14	4/14	0.3
Muscular soreness (yes/no)	11/4	10/8	0.46
Chest pain (yes/no)	1/14	0/18	0.45
Pharyngalgia (yes/no)	6/9	5/13	0.48
Rhinorrhea (yes/no)	6/9	4/14	0.45
Cough and expectoration (yes/no)	13/2	16/2	1
CRP level (mg/L)	19.55 ± 2.39	17.26 ± 4.52	0.08
WBC count (×109/L)	6.04 ± 2.44	7.94 ± 3.89	0.10
Neutrophil count	3.44 ± 0.26	5.67 ± 0.49	0.01*
Neutrophil percentage (%)	57.05 ± 10.97	71.46 ± 12.74	0.00*
Lymphocyte count (×109/L)	2.03 ± 1.72	1.24 ± 0.54	0.1
Lymphocyte percentage (%)	32.13 ± 12.19	19.07 ± 11.47	0.00*
Monocyte count (×109/L)	0.58 ± 0.23	0.58 ± 0.34	0.98
Monocyte percentage (%)	10.2 ± 3.26	7.85 ± 2.94	0.04*
Eosinophil count (×109/L)	0.01 (0–0.13)	0.08 (0–0.28)	0.02*
Platelet count (×109/L)	172.2 ± 47.58	227.61 ± 91.14	0.07
Hypertension (yes/no)	0/15	8/10	0.00*
Diabetes (yes/no)	0/15	5/13	0.05*
Cardio-cerebrovascular disease (yes/no)	0/15	5/13	0.05*
Chronic lung disease (yes/no)	0/15	6/12	0.02*
Chronic kidney disease (yes/no)	0/15	0/18	0.6
Chronic digestive disease (yes/no)	0/15	2/16	0.49
AID (yes/no)	1/14	5/13	0.19
Tumor (yes/no)	0/15	4/14	0.1
Involvement of lungs on chest CT (unilateral/bilateral)	8/7	9/9	1
Disease aggravation within 7 days (yes/no)	13/2	9/9	0.03*

n, number; COVID-19, Coronavirus disease 2019; AID, autoimmune disease; CRP, C-reactive protein; CT, computed tomography; WBC, white blood cell;

^*, Statistically significant.