Age group (month) | Resident population of children <5 years in the catchment area of SCH | Observed influenza positive cases at SCH | Estimated total no. of influenza -associated ILI at SCH (95 % CI) | Proportion of ILI who sought care at SCH (%) | influenza-associated ILI outpatient visits per 100 population (95 % CI) |
---|---|---|---|---|---|
Apr 2011-Mar 2012 | |||||
0- <6 | 11,057 | 19 | 420 (265–611) | 66.7 | 5.7 (3.6–8.3) |
6- < 24 | 31,729 | 146 | 3,224 (2,036–4,686) | 56.5 | 18.0 (11.4–26.1) |
24- < 60 | 56,836 | 241 | 5,319 (3,360–7,732) | 47.4 | 19.7 (12.5–28.7) |
Total | 99,622 | 406 | 8,956 (5,657–13,018) | 51.6 | 17.4 (11.0–25.3) |
Apr 2012-Mar 2013 | |||||
0- <6 | 12,393 | 10 | 487 (173–875) | 50.0 | 7.9(2.8–14.1) |
6- < 24 | 35,564 | 72 | 3,514 (1,253–6,307) | 43.2 | 22.9 (8.2–41.1) |
24- < 60 | 63,706 | 65 | 3,170 (1,130–5,689) | 44.1 | 11.3 (4.0–20.2) |
Total | 111,663 | 147 | 7,172 (2,557–12,872) | 44.0 | 14.6 (5.2–26.2) |
Apr 2013-Mar 2014 | |||||
0- <6 | 13,674 | 2 | 252 (128–394) | 80.0 | 2.3 (1.2–3.6) |
6- < 24 | 39,241 | 37 | 4,660 (2,371–7,281) | 52.6 | 22.6 (11.4–35.3) |
24- < 60 | 70,292 | 48 | 6,052 (3,079–9,457) | 30.6 | 28.1 (14.3–44.0) |
Total | 123,207 | 87 | 10,965 (5,579–17,132) | 41.5 | 21.4 (10.9–33.5) |
Apr 2011-Mar 2014 | |||||
0- <6 | 37,124 | 31 | 1,160 (568–1,881) | 64.3 | 4.9 (2.4–7.9) |
6- < 24 | 106,533 | 255 | 11,398 (5,660–18,275) | 50.8 | 21.1 (10.5–33.8) |
24- < 60 | 190,834 | 354 | 14,542 (7,570–22,879) | 35.9 | 21.2 (11.0–33.4) |
Total | 334,491 | 640 | 27,102 (13,799–43,035) | 43.6 | 18.6 (9.5–29.5) |