Ann Clin Microbiol 2021;24:127-134. emm Types and Clusters of Group A Streptococcus Causing Acute Pharyngitis in Changwon Korea, 2018–2019

Table 1. Isolation rate (%) of group A streptococci (GAS) according to age and sex
Age (yr) Male Female Total
No. GAS % No. GAS % No. GAS %
1 5 0 0.0 1 0 0.0 6 0 0.0
2 7 0 0.0 10 0 0.0 17 0 0.0
3 11 1 9.1 10 1 10.0 21 2 9.5
4 16 4 25.0 13 1 7.7 29 5 17.2
5 26 6 23.1 24 6 25.0 50 12 24.0
6 26 10 38.5 24 9 37.5 50 19 38.0
7 24 13 54.2 20 5 25.0 44 18 40.9
8 18 11 61.1 20 9 45.0 38 20 52.6
9 17 6 35.3 14 3 21.4 31 9 29.0
10 6 3 50.0 7 1 14.3 13 4 30.8
11 4 2 50.0 10 1 10.0 14 3 21.4
12 3 1 33.3 9 2 22.2 12 3 25.0
13 5 1 20.0 2 0 0.0 7 1 14.3
14 5 0 0.0 5 1 20.0 10 1 10.0
15-18 1 0 0.0 5 2 40.0 6 2 33.3
>18 3 0 0.0 21 2 9.5 24 2 8.3
Total 177 58 32.8 195 43 22.1 372 101 27.2