|
Characteristics
|
Total
|
Virus-positive
|
Virus-negative
| |
P value
|
|---|
|
N = 426
|
N = 246
|
N = 180
|
χ2
|
|---|
|
n (%)
|
n (%)
|
n (%)
| |
|---|
|
Gender
|
|
Male
|
234 (54.9)
|
142 (60.7)
|
92 (39.3)
|
1.836
|
0.175
|
|
Female
|
192 (45.1)
|
104 (54.2)
|
88 (45.8)
|
|
Age groups (years)
|
|
< 5
|
84 (19.7)
|
63 (75.0)
|
21 (25.0)
|
28.668
|
0.000
|
|
5~18
|
139 (32.6)
|
89 (64.0)
|
50 (36.0)
|
|
18~60
|
161 (37.8)
|
68 (42.2)
|
93 (57.8)
|
|
≥60
|
42 (9.9)
|
26 (61.9)
|
16 (38.1)
|
|
Clinical symptoms and physical examination
|
|
Fever ≥38.0 °C
|
384 (90.1)
|
228 (59.4)
|
156 (40.6)
|
28.773
|
0.002
|
|
Cough
|
292 (68.5)
|
173 (59.2)
|
119 (40.8)
|
|
Sore throat
|
221 (51.9)
|
154 (69.7)
|
67 (30.3)
|
|
Fatigue
|
195 (45.8)
|
132 (67.7)
|
63 (32.3)
|
|
Runny nose
|
137 (32.2)
|
85 (62.0)
|
52 (38.0)
|
|
Sputum production
|
129 (30.3)
|
74 (57.4)
|
55 (42.6)
|
|
Headache
|
87 (20.4)
|
52 (59.8)
|
35 (40.2)
|
|
Shortness of breath
|
125 (29.3)
|
86 (68.8)
|
39 (31.2)
|
|
Diarrhea
|
35 (8.2)
|
15 (42.9)
|
20 (57.1)
|
|
Abdominal pain
|
33 (7.7)
|
12 (36.4)
|
21 (63.6)
|
|
Lung auscultation
|
55 (12.9)
|
34 (61.8)
|
21 (38.2)
|
|
Abnormal X-ray
|
26 (6.1)
|
17 (65.4)
|
9 (34.6)
|
- ARIs, acute respiratory infections
