Table 4 Estimated number of influenza-associated excess respiratory or cardiovascular hospitalizations by age group and epidemic season in Portuguese public hospitals between 2008/2009 and 2017/2018
From: Excess hospitalizations and mortality associated with seasonal influenza in Portugal, 2008–2018
Season | Age groups (in years) 95% confidence interval | |||||||
|---|---|---|---|---|---|---|---|---|
0–4 | 5–18 | 19–49 | 50–64 | 65–74 | ≥ 75 | ≥ 65 | All ages | |
2008/2009 | – | – | – | 50 (− 141; 259) | 847 (646; 1034) | 3521 (2987; 3993) | 4398 (3672; 5010) | 4327 (3170; 5347) |
2009/2010 | 93 (− 176; 371) | 399 (323; 476) | 1661 (1498; 1837) | 657 (474; 837) | – | – | – | 1730 (702; 2708) |
2010/2011 | – | 11 (− 88; 112) | 982 (764; 1205) | 1201 (986; 1404) | 653 (447; 861) | – | 748 (45; 1486) | 2824 (1706; 3959) |
2011/2012 | – | 15 (− 70; 97) | 405 (224; 602) | 611 (412; 821) | 1166 (972; 1349) | 5567 (5041; 6148) | 6806 (6105; 7511) | 7212 (6142; 8277) |
2012/2013 | – | – | 255 (50; 458) | 546 (321; 778) | 333 (96; 570) | 548 (− 116; 1198) | 1034 (215; 1891) | 456 (− 804; 1676) |
2013/2014 | 381 (165; 613) | – | 762 (595; 930) | 952 (736; 1162) | 587 (392; 775) | 1106 (533; 1643) | 1756 (1049; 2429) | 3376 (2361; 4389) |
2014/2015 | – | – | 345 (199; 503) | 878 (708; 1084) | 1102 (928; 1276) | 6204 (5700; 6726) | 7446 (6852; 8088) | 7988 (7093; 8941) |
2015/2016 | 652 (377; 909) | 277 (183; 366) | 1098 (900; 1302) | 1332 (1099; 1567) | 697 (455; 921) | 2279 (1593; 2978) | 2974 (2129; 3886) | 5845 (4639; 7057) |
2016/2017 | – | – | 196 (25; 363) | 905 (706; 1096) | 919 (732; 1115) | 6244 (5721; 6812) | 7262 (6598; 7975) | 8776 (7841; 9725) |
2017/2018 | 662 (364; 942) | 44 (− 49; 145) | 437 (251; 636) | 1391 (1139; 1631) | 1173 (903; 1427) | 3949 (3209; 4688) | 5314 (4372; 6268) | 7395 (6080; 8646) |
9-year meana | 188 (− 604; 535) | 39 (− 90; 112) | 498 (288; 669) | 874 (663; 1089) | 831 (619; 1036) | 3269 (2677; 3856) | 4193 (3448; 4949) | 5356 (4248; 6446) |
3-year meanb | 438 (118; 652) | 107 (11; 189) | 577 (392; 767) | 1209 (981; 1431) | 930 (697; 1154) | 4157 (3508; 4826) | 5183 (4366; 6043) | 7339 (6187; 8476) |