Table 7 Estimated number of influenza-associated excess all-cause deaths per 100,000 people by age group and epidemic season in Portuguese public hospitals between 2008/2009 and 2017/2018

1.8 (− 0.6;3.9)

0.2 (− 0.4;0.8)

2.4 (1.4;3.5)

3.8 (0.1;7.6)

36.9 (27.5;45.5)

285.9 (233.5;340.6)

154.9 (127.1;183.4)

31.2 (25.2;37.1)

1.5 (− 0.7;3.9)

–

1.6 (0.6;2.6)

6.2 (2.8;9.8)

2.8 (− 5.6;11.6)

–

–

0.9 (− 4.9;6.9)

1.4 (− 0.9;3.7)

0.7 (0.2;1.3)

3.6 (2.4;4.8)

7.1 (3.1;11)

20.5 (11.3;29.8)

–

7.3 (− 24.5;38.2)

4.3 (− 2.7;11.1)

4.3 (2.1;6.5)

0.4 (− 0.1;1)

–

8.4 (4.7;12.4)

35 (25.2;44.4)

329.8 (277.3;390.7)

179.9 (150.9;213.6)

34.9 (29;42)

1.8 (− 0.8;4.4)

–

2.1 (0.8;3.4)

9 (5;13.6)

9.8 (− 0.8;21.6)

92.1 (26.5;162.2)

50.9 (15.3;90.1)

11.4 (4.1;19.4)

2 (− 0.3;4.1)

–

0.2 (− 0.8;1.3)

2.6 (− 0.9;6.3)

–

–

–

–

1.7 (− 0.3;3.6)

–

1.2 (0.3;2.1)

6.7 (3.3;10)

36.9 (29.1;45.6)

417 (370.5;467)

223 (197.8;249.3)

48.4 (42.9;54.5)

3.6 (0.9;5.9)

–

–

4.4 (− 0.1;8.6)

–

–

–

–

1.5 (− 0.5;3.5)

0.4 (− 0.1;1)

0.5 (− 0.5;1.5)

13.2 (9.8;16.8)

21.4 (12.9;30.5)

365.6 (313;421.2)

187.3 (159.4;217.5)

44.5 (38.2;51.4)

0.7 (− 2.2;3.7)

–

–

7.5 (2.9;12.4)

23.7 (12.4;35.5)

212.3 (145.9;287.9)

118.9 (82.3;159.6)

29.4 (21.5;38.8)

2.1 (− 0.3;4.4)

0.2 (− 0.6;0.7)

1.1 (− 0.2;2.3)

7 (3.1;11)

20.5 (9;32.9)

189.2 (111.3;265.8)

102.5 (60.4;144)

22.7 (14.1;32)

1.9 (− 0.6;4.4)

0.1 (− 0.8;0.7)

0.2 (− 1.7;1.3)

8.4 (4.2;12.6)

15 (5;25.6)

192.6 (90.8;354.6)

102.1 (47;188.5)

24.6 (13.4;45.1)