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Table 4 Mean seasonal mortality for respiratory diseasea attributable to influenza according to age and risk statusb

From: Modelling estimates of age-specific influenza-related hospitalisation and mortality in the United Kingdom

   Influenza A Influenza B
Age Risk N (SD) Rate (SD) N (SD) Rate (SD)
0–4 All 12 0 1 0
Low 13 0 2 0
High 3 0 0 0
5–17 All 4 0 2 0
Low 2 0 0 0
High 16 0 19 0
18–49 All 84 0 13 0
Low 61 0 9 0
High 278 1 45 0
50–64 All 402 4 27 0
Low 145 1 16 0
High 1316 13 71 1
65–74 All 955 19 27 1
Low 367 7 0 0
High 1875 38 79 2
75+ All 4776 118 512 13
Low 5042 125 671 17
High 4627 114 375 9
All agesc All 6561 (5501) 11 (9) 602 (681) 1 (1)
Low 3672 (3107) 6 (5) 436 (501) 1 (1)
High 19762 (17261) 34 (29) 1395 (1569) 2 (3)
  1. N Number of episodes, SD standard deviation, Rate per 100,000 population, Deaths from ONS 1996–2009
  2. abroadly defined
  3. bRisk group defined according the chronic conditions indicative of risk for severe influenza as per UK recommendations for influenza vaccination. These include chronic obstructive respiratory disease; cardiovascular, central nervous system, renal and liver disorders; diabetes; immunosuppressive conditions or stroke
  4. cthe attributions for each age group are not equal to the sum of the attributions (all ages) due to separately run models