Table 1 Description of SARI hospitalizations for each influenza epidemic, 2012–2018, metropolitan France
2012–2013 | 2013–2014 | 2014–2015 | 2015–2016 | 2016–2017 | 2017–2018 | Total | |
|---|---|---|---|---|---|---|---|
Epidemic duration (in wk)a | 13 | 6 | 9 | 11 | 10 | 16 | / |
Number of SARI hospitalizations | 91 456 | 36 393 | 80 515 | 75 881 | 101 433 | 147 778 | 533,456 |
Diagnostic category | |||||||
Influenza | 14% | 14% | 24% | 21% | 28% | 31% | 24% |
Pneumonia | 68% | 70% | 60% | 64% | 57% | 56% | 61% |
Bronchitis | 17% | 16% | 16% | 14% | 15% | 13% | 15% |
Proportion of SARI hospitalizations in ≥ 75 y age-group | 53% | 49% | 55% | 46% | 60% | 51% | 53% |
Number of hospitalizations with ICU admission | 5 235 | 2 291 | 5 317 | 4 962 | 6 362 | 10 412 | 34,579 |
Proportion of hospitalizations with ICU admission | 6% | 6% | 7% | 7% | 6% | 7% | 6% |
Number of deaths | 5 745 | 2 111 | 5 220 | 4 202 | 6 773 | 8 965 | 33,016 |
Proportion of deaths | 6% | 6% | 6% | 6% | 7% | 6% | 6% |