| | | 2004-2005 | 2005-2006 | 2006-2007 | 2007-2008 | 2008-2009 | 2009-2010 |
| | Annual incidence | | | | | | | | Number of cases/at-risk population | 88151/24404747 | 87050/24663298 | 86679/24944522 | 84909/25242310 | 86839/25564644 | 89785/25891827 | | Incidence per 100,000 persons (95% CI) | | | | | | | | Overall | 361
(359, 364) | 353
(351, 355) | 347
(345, 350) | 336
(334, 339) | 340
(337, 342) | 347
(345, 349) | | 65 years of age | 1766
(1751, 1780) | 1692
(1678, 1707) | 1655
(1641, 1669) | 1595
(1582, 1609) | 1611
(1598, 1624) | 1537
(1524, 1550) | | Males | 382
(379, 386) | 371
(367, 374) | 367
(364, 371) | 356
(353, 359) | 355
(352, 358) | 362
(359, 365) | | Females | 341
(337, 344) | 336
(332, 339) | 328
(325, 331) | 317
(314, 320) | 324
(321, 328) | 332
(329, 335) | | LOS, mean days ± SD | | | | | | | | Overall | 9.99 ± 16.66 | 9.92 ± 15.51 | 10.30 ± 17.42 | 10.67 ± 18.73 | 11.03 ± 18.90 | 10.54 ± 20.09 | | 0–17 years of age | 3.90 ± 6.51 | 3.89 ± 8.12 | 3.93 ± 6.16 | 3.88 ± 6.35 | 3.96 ± 7.03 | 3.90 ± 8.10 | | 18–69 years of age | 9.13 ± 14.94 | 8.77 ± 14.5 | 9.07 ± 15.91 | 9.41 ± 19.10 | 9.64 ± 16.46 | 9.35 ± 17.32 | | 70 years of age | 11.98 ± 18.77 | 12.11 ± 16.95 | 12.54 ± 19.50 | 12.87 ± 19.84 | 13.30 ± 21.31 | 12.98 ± 23.18 | | Case-fatality | | | | | | | | Number of deaths/number of cases | 10822/88151 | 10151/87050 | 10539/86679 | 10397/84909 | 10707/86839 | 10419/89785 | | % (95% CI) | | | | | | | | Overall | 12.3
(12.1, 12.5) | 11.7
(11.4, 11.9) | 12.2
(11.9, 12.4) | 12.2
(12.0, 12.5) | 12.3
(12.1, 12.6) | 11.6
(11.4, 11.8) | | 65 years of age | 17.1
(16.8, 17.4) | 16.4
(16.1, 16.8) | 17.1
(16.7, 17.4) | 17.1
(16.8, 17.5) | 17.0
(16.7, 17.3) | 16.7
(16.4, 17.0) | | Males | 12.8
(12.5, 13.1) | 11.9
(11.6, 12.2) | 12.5
(12.2, 12.8) | 12.6
(12.3, 12.9) | 12.9
(12.6, 13.3) | 11.9
(11.6, 12.1) | | Females | 11.7
(11.4, 12.0) | 11.4
(11.1, 11.7) | 11.7
(11.4, 12.1) | 11.8
(11.5, 12.2) | 11.7
(11.4, 12.0) | 11.3
(11.0, 11.6) |
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