|
Number of students (staff) in school
|
515(44)
|
730(54)
| |
|
Number of cases among students (staff)
|
170(1)
|
159(1)
| |
|
Number of classes (grades) in school
|
12(3)
|
19(6)
| |
|
Number of classes (grades) case occurred
|
12(3)
|
19(6)
| |
|
Average (max, min) number of cases in class
|
14.17(29,2)
|
8.32(20,1)
| |
|
Date of onset for index case (date/month)
|
18/5
|
23/5
| |
|
Date of onset for last case (date/month)
|
10/7
|
6/7
| |
|
Epidemic duration (day)
|
54
|
45
| |
|
Number of cases (attack rate %)
|
171(30.59)
|
160(20.41)
|
<0.001
|
|
Disease course (day)- average (max, min)
|
–
|
9.40(7, 23)
| |
|
Characteristic of cases
|
|
Gender (%)
| | |
<0.001
|
|
male
|
89(52.05)
|
117(73.12)
| |
|
female
|
82(47.95)
|
43(26.88)
| |
|
Age- median (max, min)
|
12.34(9.91, 29.53)
|
11.00(7, 37)
| |
