|
All cases of FPEs (n=1653)
|
FPEs with positive PCR for influenza A or B (n=357)
|
FPEs with negative PCR for influenza A or B (n=1296)
|
P-values
|
---|
n (%)
|
n (%)
|
n (%)
|
---|
Gender
|
Female
|
827 (50.0)
|
181 (51.0)
|
646 (50.0)
|
0.77
|
Age groups (years)
|
0 – < 2
|
302 (18.3)
|
44 (12.3)
|
258 (20.0)
|
0.01
|
2 - < 5
|
355 (21.4)
|
78 (22.0)
|
277 (21.3)
| |
5 - < 15
|
561 (34.0)
|
129 (36.1)
|
432 (33.3)
| |
15- < 50
|
366 (22.1)
|
85 (24.0)
|
281 (21.6)
| |
≥ 50
|
69 (4.2)
|
21 (6.0)
|
48 (4.0)
| |
Mean age (SD°)
|
12.5 ± (14.6)
|
14.0 ± (15.3)
|
12.1 ± (14.5)
| |
Median age (IIQ¶)
|
7.1 ± (3.0–16.0)
|
8.1 (3.6–18.0)
|
7.0 (2.3–15.2)
| |
Clinical symptoms
|
Headache1
|
1184/1286 (92.1)
|
291/301 (96.6)
|
893/985 (90.6)
|
< 0.001
|
Cough
|
914 (55.3)
|
289 (81.0)
|
625 (48.2)
|
< 0.001
|
Asthenia grade 0
|
229 (14.0)
|
43 (12.0)
|
186 (14.3)
|
0.07
|
Asthenia grade 1
|
95 (6.0)
|
13 (3.6)
|
82 (6.3)
| |
Asthenia grade 2
|
424 (25.6)
|
87 (24.4)
|
337 (26.0)
| |
Asthenia grade 3
|
905 (55.0)
|
214 (60.0)
|
691 (53.3)
| |
Anorexia
|
759 (46.0)
|
180 (50.4)
|
579 (45.0)
|
0.05
|
Nasal discharge
|
697 (42.2)
|
254 (71.1)
|
443 (34.2)
|
< 0.0001
|
Myalgia1
|
604/992 (61.0)
|
132/235 (56.2)
|
472/757 (62.3)
|
0.18
|
Chills
|
416 (25.2)
|
86 (24.1)
|
330 (25.5)
|
0.60
|
Nausea/vomiting
|
326 (20.0)
|
51 (14.3)
|
275 (21.2)
|
< 0.01
|
Sore throat1
|
187/996 (19.0)
|
68/235 (29.0)
|
119/761 (15.6)
|
< 0.001
|
Sweats
|
171 (10.3)
|
35 (10.0)
|
136 (10.6)
|
0.71
|
Arthralgia1
|
157/996 (15.8)
|
37/209 (18.0)
|
120/787 (15.2)
|
0.52
|
Diarrhea
|
154 (9.3)
|
20 (5.6)
|
134 (10.3)
|
< 0.01
|
Abdominal pain
|
59 (3.6)
|
7 (2.0)
|
52 (4.0)
|
0.06
|
Dyspnea
|
47 (3.0)
|
19 (5.4)
|
28 (2.2)
|
< 0.01
|
- FPEs” febrile pathological episodes, SD Standard Deviation, IIQ¶ interquartile range
- 1: These symptoms were not collected or were incomplete in children aged under 5 years
- -Headache: 356 FPEs (21.5%) missing in children under 5 years
- -Sore throat, Myalgia and Arthralgia symptoms: 657 FPEs (40.0%) missing in all children under 5 years for each of these 3 symptoms