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Table 3 GAS culture-positive rate of GAS surveillances in Beijing by age groups, Beijing, 2012–2014

From: Estimated burden of group a streptococcal pharyngitis among children in Beijing, China

Year Clinical manifestations Age group Samples no. GAS culture-positive rate
Proportion (%) 95 % CI
2012 Scarlet fever 0–4 71 45.1 33.5 56.6
5–14 154 53.2 45.4 61.1
Overall(0–14) 225 50.7 44.1 57.2
Pharyngitis 0–4 1012 3.0 1.9 4.0
5–14 906 14.9 12.6 17.2
Overall(0–14) 1918 8.6 7.3 9.9
2013 Scarlet fever 0–4 50 36.0 22.7 49.3
5–14 110 39.1 30.0 48.2
Overall(0–14) 160 38.1 30.6 45.7
Pharyngitis 0–4 1382 1.0 0.5 1.5
5–14 1295 4.6 3.4 5.7
Overall(0–14) 2677 2.7 2.1 3.3
2014 Scarlet fever 0–4 50 42.0 28.3 55.7
5–14 216 43.5 36.9 50.1
Overall(0–14) 266 43.2 37.3 49.2
Pharyngitis 0–4 1479 2.3 1.5 3.1
5–14 1472 11.4 9.8 13.0
Overall(0–14) 2951 6.8 5.9 7.8