|
0–4 yr.
n=310
|
5–17 yr.
n=59
|
18–59 yr.
n=76
|
≥60 yr.
n=152
|
P-value
|
Demographics and clinical characteristics |
|
|
|
|
|
Female |
124 (40%) |
26 (44.1%) |
36 (47.4%) |
70 (46.1%) |
0.506 |
Inpatient |
203 (65.5%) |
31 (52.5%) |
37 (48.7%) |
119 (78.3%) |
<0.001 |
Time from illness onset to hospital admission, days |
3.5 (2–5) |
3
(1–6) |
2.5 (1–6) |
3 (1–6) |
0.065 |
Comorbidity |
9 (2.9%) |
(0%) |
17 (22.4%) |
87 (57.2%) |
<0.001 |
Asthma
|
1 (0.3%)
|
0 (0%)
|
6 (7.9%)
|
7 (4.6%)
|
<0.001
|
Bronchitis/bronchiolitis
|
1 (0.3%)
|
0 (0%)
|
1 (1.3%)
|
12 (7.9%)
|
<0.001
|
Chronical Obstructive Pneumonia disease
|
0 (0%)
|
0 (0%)
|
3 (3.9%)
|
13 (8.6%)
|
<0.001
|
Diabetes
|
1 (0.3%)
|
0 (0%)
|
5 (6.6%)
|
24 (15.8%)
|
<0.001
|
Hypertension
|
2 (0.6%)
|
0 (0%)
|
9 (11.8%)
|
52 (34.2%)
|
<0.001
|
Heart disease
|
4 (1.3%)
|
0 (0%)
|
1 (1.3%)
|
35 (23%)
|
<0.001
|
Chronical renal disease
|
1 (0.3%)
|
0 (0%)
|
2 (2.6%)
|
2 (1.3%)
|
0.143
|
Chronical liver disease
|
0 (0%)
|
0 (0%)
|
0 (0%)
|
1 (0.7%)
|
0.481
|
Malignancy
|
2 (0.6%)
|
0 (0%)
|
0 (0%)
|
6 (3.9%)
|
0.034
|
Stroke
|
0 (0%)
|
0 (0%)
|
1 (1.3%)
|
16 (10.5%)
|
<0.001
|
Symptoms and signs |
|
|
|
|
|
Fever (temperature ≥37.3°C) |
267/304 (87.8%) |
57/58 (98.3%) |
67/75
(89.3%) |
113/151 (74.8%) |
<0.001 |
Temperature, °C |
|
|
|
|
|
<37.3
|
37/304 (12.2%)
|
1/58 (1.7%)
|
8/75 (10.7%)
|
38/151 (25.2%)
|
<0.001
|
37.3–37.9
|
21/304 (6.9%)
|
3/58 (5.2%)
|
4/75 (5.3%)
|
21/151 (13.9%)
|
|
38–38.9
|
129/304 (42.4%)
|
25/58 (43.1%)
|
41/75 (54.7%)
|
59/151 (39.1%)
|
|
≥39
|
117/304 (38.5%)
|
29/58 (50%)
|
22/75 (29.3%)
|
33/151 (21.9%)
|
|
Sore throat |
36 (11.6%) |
20 (33.9%) |
27 (35.5%) |
28 (18.4%) |
<0.001 |
Cough |
297 (95.8%) |
52 (88.1%) |
66 (86.8%) |
135 (88.8%) |
0.003 |
Sputum production |
189 (61%) |
37 (62.7%) |
55 (72.4%) |
126
(82.9%) |
<0.001 |
Hemoptysis |
2 (0.6%) |
0 (0%) |
2 (2.6%) |
4 (2.6%) |
0.138 |
Chest pain |
1 (0.3%) |
1 (1.7%) |
5 (6.6%) |
7 (4.6%) |
0.001 |
Dyspnea |
38 (12.3%) |
0 (0%) |
21 (27.6%) |
80 (52.6%) |
<0.001 |
Nasal congestion |
104 (33.5%) |
18 (30.5%) |
9 (11.8%) |
12 (7.9%) |
<0.001 |
Rhinorrhea |
133 (42.9%) |
23 (39%) |
22 (28.9%) |
26 (17.1%) |
<0.001 |
Headache |
1 (0.3%) |
4 (6.8%) |
8 (10.5%) |
7 (4.6%) |
<0.001 |
Fatigue |
2 (0.6%) |
3 (5.1%) |
11 (14.5%) |
11 (7.2%) |
<0.001 |
Myalgia |
0 (0%) |
0 (0%) |
3 (3.9%) |
5 (3.3%) |
0.002 |
Diarrhea |
11 (3.5%) |
0 (0%) |
1 (1.3%) |
4 (2.6%) |
0.534 |
Abdominal pain |
6 (1.9%) |
0 (0%) |
4 (5.3%) |
2 (1.3%) |
0.175 |
Nausea or vomiting |
14 (4.5%) |
1 (1.7%) |
2 (2.6%) |
4 (2.6%) |
0.717 |
Oliguria |
1 (0.3%) |
0 (0%) |
0 (0%) |
1 (0.7%) |
0.731 |
Disturbance of consciousness |
0 (0%) |
0 (0%) |
3 (3.9%) |
11
(7.2%) |
<0.001 |
Abnormal respiratory rate, beats/min |
116/237 (48.9%) |
5/46 (10.9%) |
6/65 (9.2%) |
10/137 (7.3%) |
<0.001 |