Skip to main content

Table 3 Average seasonal model attributions (number and rate per 100,000 population) by influenza sub-type and age

From: Model estimates of the burden of outpatient visits attributable to influenza in the United States

  Influenza A/H1N1 Influenza A/H3N2 Influenza B All influenza
Age group Rate SD N SD Rate SD N SD Rate SD N SD Rate SD N SD
Respiratory broad
0–1 1148 1292 92,543 104,232 4189 3220 334,583 255,510 1958 1263 157,391 101,799 7295 1933 584,517 155,296
2–4 2163 2353 257,345 279,828 5252 4017 619,022 470,595 2256 1473 267,541 173,631 9672 2312 1,143,907 273,448
5–17 2824 3010 1,517,946 1,618,530 3573 2771 1,914,587 1,481,878 3996 2592 2,145,385 1,391,299 10392 3093 5,577,918 1,667,267
18–49 438 468 590,623 630,727 1787 1399 2,402,020 1,875,906 1979 1282 2,666,447 1,727,718 4205 1274 5,659,089 1,720,149
50–64 55 60 28,749 31,093 1229 957 608,283 458,111 1649 1072 848,186 556,510 2933 1031 1,485,217 555,566
0–64 953 1020 2,487,205 2,658,483 2285 1781 5,878,493 4,539,150 2343 1519 6,084,951 3,940,675 5581 1496 14,450,648 3,931,783
65–74 654 334 130,668 62,250 596 722 119,328 145,317 424 189 85,381 37,417 1674 837 335,377 164,184
75+ 811 383 147,352 68,341 757 920 137,573 167,557 574 269 104,445 48,993 2142 1040 389,370 188,526
65+ 725 356 276,803 129,745 669 811 255,580 310,995 492 226 188,727 85,855 1887 929 721,110 350,749
Otitis media
0–1 976 1069 78,683 86,175 1594 1301 127,280 103,167 3884 2515 312,139 202,623 6455 2291 518,102 186,416
2–4 821 859 97,574 102,047 1492 1182 175,651 138,078 2627 1697 311,427 200,700 4939 1613 584,652 191,428
5–17 336 354 180,606 190,499 389 309 208,399 165,421 771 497 414,081 267,052 1496 547 803,086 294,139
18–49 32 34 42,940 45,757 48 37 64,380 50,103 111 72 149,756 97,400 191 74 257,076 100,433
50–64 10 11 5377 5685 18 14 8859 6695 55 36 28,401 18,981 83 37 42,637 20,350
0–64 155 164 405,177 428,584 227 182 584,566 462,874 468 303 1,215,805 785,121 851 301 2,205,547 787,106
65–74 6 2 1267 363 6 6 1102 1231 4 2 826 404 16 7 3195 1447
75+ 1 0 140 89 1 1 132 197 0 0 87 21 2 1 359 179
65+ 3 1 1196 520 3 3 1069 1336 2 1 730 271 8 4 2994 1437
  1. <65 years olds: 2001–02 through 2008–09 seasons, MarketScan Commercial Database
  2. 65+ year olds: 2006–09 seasons, MarketScan Medicare Supplemental Database
  3. SD standard deviation of the variability of the attributable burden between seasons, N number