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Table 2 Estimates of population coverage of GAS surveillances by age groups, Beijing, 2012–2014

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

Year Age group Reported number of clinical cases of scarlet fever from GAS surveillances Reported number of clinical cases of scarlet fever from NNIDSS Population coverage of GAS surveillances
Proportion (%) 95 % CI
2012 0–4 573 998 57.4 54.3 60.5
5–14 1226 2154 56.9 54.8 59.0
Overall(0–14) 1799 3152 57.1 55.3 58.8
2013 0–4 286 526 54.4 50.1 58.6
5–14 712 1503 47.4 44.8 49.9
Overall(0–14) 998 2029 49.2 47.0 51.4
2014 0–4 299 842 35.5 32.3 38.7
5–14 997 3055 32.6 31.0 34.3
Overall(0–14) 1296 3897 33.3 31.8 34.7