Differential diagnosis of coronavirus disease 2019 from community-acquired-pneumonia by computed tomography scan and follow-up

Table 1 Baseline data and clinical manifestations between COVID-19 and CAP patients

	COVID-19	CAP	t/χ²	P value
Gender			0.81	0.37
Male	76	48
Female	89	70
Age (years)
Mean age	45.1 ± 17.6	15.6 ± 21.4	8.03	< 0.001
< 20	4	52
20–40	57	8
40–60	72	10
> 60	32	48
Fever			0.52	0.47
Yes	146	101
No	19	17
Chest tightness			0.25	0.62
Yes	31	25
No	134	93
Muscle soreness			4.76	0.03
Yes	48	21
No	117	97
Fatigue			5.11	0.02
Yes	52	23
No	113	95
Cough			2.08	0.15
Yes	85	71
No	80	47
Expectoration			25.04	< 0.001
Yes	39	62
No	126	56
Headache			1.94	0.16
Yes	10	3
No	155	118
Chills			2.76	0.10
Yes	21	8
No	144	110
Diarrhea			0.37	0.54
Yes	6	6
No	159	112
WBC(×10⁹/L)	9.61 ± 5.11	5.9 1 ± 3.02	4.62	< 0.001
≤ 9.5	153	67
> 9.5	12	51
C-reactive protein (mg/L)	27.81 ± 34.50	46.91 ± 56.67	1.81	0.078
≤ 8	86	14
> 8	79	111
Neutrophil proportion(%)	68.13 ± 15.28	61.69 ± 23.62	1.76	0.08
≤ 75	104	62
> 75	61	56
Lymphocyte proportion(%)	22.36 ± 12.15	46.13 ± 18.37	5.58	< 0.001
≤ 20	126	75
> 20	39	43
ESR(mm/h)	32.45 ± 24.32	57.44 ± 29.81	1.99	0.08
≤ 15	52	26
> 15	113	92
Calcitonin(mg/ml)	0.51 ± 0.69	0.39 ± 0.38	0.53	0.61
≤ 0.5	32	61
> 0.5	133	57
Past medical history
Heart disease			2.37	0.12
Yes	4	7
No	161	111
Hypertension			2.67	0.10
Yes	17	20
No	148	98
COPD			21.72	< 0.001
Yes	6	25
No	159	93
Diabetes			0.06	0.81
Yes	5	3
No	160	115

CAP Community-acquired pneumonia, ESR Erythrocyte sedimentation rat, WBC White blood cell, COPD Chronic obstructive pulmonary disease

ISSN: 2049-9957