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. 2009 Feb 20;3(1):37–49. doi: 10.1111/j.1750-2659.2009.00073.x

Table 4.

 Poisson regression model annual estimates by virus type and subtype using underlying respiratory and circulatory deaths*

Age group Season A(H1) viruses A(H3) viruses B viruses All influenza
Annual excess number L 95% CI U 95% CI Annual excess number L 95% CI U 95% CI Annual excess number L 95% CI U 95% CI Annual excess number L 95% CI U 95% CI
<65 years 1976 5 2 12 1103 1040 1170 441 402 484 1549 1474 1628
1977 290 258 325 3323 3212 3438 5 2 12 3618 3502 3738
1978 1462 1389 1539 2 1 8 40 29 55 1504 1430 1582
1979 25 17 37 56 43 73 825 771 883 906 849 967
1980 382 346 422 2532 2435 2633 0 0 0 2914 2810 3022
1981 199 173 229 0 0 0 385 348 425 584 539 633
1982 250 221 283 2937 2833 3045 188 163 217 3375 3263 3491
1983 924 866 986 228 200 260 670 621 723 1822 1740 1908
1984 3 1 9 4237 4111 4367 54 41 71 4294 4167 4424
1985 1 0 7 977 918 1040 660 612 712 1638 1561 1719
1986 1283 1215 1355 14 8 24 6 3 13 1303 1234 1376
1987 103 85 125 2058 1971 2149 167 143 194 2328 2235 2425
1988 949 891 1011 435 396 478 665 616 718 2049 1962 2140
1989 25 17 37 3268 3158 3382 6 3 13 3299 3188 3414
1990 116 97 139 438 399 481 678 629 731 1232 1165 1303
1991 369 333 409 3243 3133 3357 20 13 31 3632 3516 3752
1992 65 51 83 1356 1286 1430 689 639 742 2110 2022 2202
1993 9 5 17 3276 3166 3390 12 7 21 3297 3186 3411
1994 28 19 41 2207 2117 2301 246 217 279 2481 2385 2581
1995 760 708 816 1513 1439 1591 258 228 291 2531 2434 2632
1996 0 0 0 3525 3411 3643 423 385 465 3948 3827 4073
1997 4 2 11 4404 4276 4536 21 14 32 4429 4300 4561
1998 16 10 26 3426 3313 3543 321 288 358 3763 3645 3885
1999 153 131 179 4506 4376 4640 19 12 30 4678 4546 4814
2000 985 925 1048 74 59 93 549 505 597 1608 1531 1689
2001 45 34 60 4743 4610 4880 399 362 440 5187 5048 5330
2002 873 817 933 858 802 917 538 494 585 2269 2178 2364
Average 1976/1977–2002/2003 345 169 521 2027 1388 2667 307 198 416 2680 2188 3171
≥65 years 1976 8 4 16 6609 6452 6770 4272 4146 4402 10 889 10 686 11 095
1977 570 525 619 20 759 20 479 21 043 41 30 56 21 370 21 085 21 658
1978 2916 2812 3024 10 5 19 392 355 433 3318 3207 3433
1978 51 39 67 377 341 417 8679 8498 8864 9107 8922 9296
1980 824 770 882 17 151 16 896 17 410 4 2 11 17 979 17 718 18 244
1981 435 396 478 0 0 0 4267 4141 4397 4702 4570 4838
1982 569 524 618 21 196 20 913 21 483 2116 2028 2208 23 881 23 580 24 186
1983 2173 2084 2266 1674 1596 1756 7859 7687 8035 11 706 11 496 11 920
1984 6 3 13 32 775 32 422 33 132 667 618 720 33 448 33 091 33 808
1985 4 2 11 7729 7559 7903 8406 8228 8588 16 139 15 892 16 390
1986 3241 3131 3355 110 91 133 78 62 97 3429 3316 3546
1987 273 242 307 17 105 16 851 17 363 2220 2130 2314 19 598 19 326 19 874
1988 2591 2493 2693 3675 3558 3796 9006 8822 9194 15 272 15 032 15 516
1989 66 52 84 28 821 28 490 29 156 118 99 141 29 005 28 673 29 341
1990 324 291 361 3862 3742 3986 9702 9511 9897 13 888 13 659 14 121
1991 1084 1021 1150 29 683 29 347 30 023 306 274 342 31 073 30 729 31 420
1992 191 166 220 12 489 12 272 12 710 10 342 10 145 10 543 23 022 22 727 23 321
1993 28 19 41 31 209 30 865 31 557 215 188 246 31 452 31 106 31 802
1994 89 72 110 21 130 20 847 21 417 3781 3662 3903 25 000 24 692 25 312
1995 2319 2227 2415 14 353 14 120 14 590 3892 3772 4016 20 564 20 285 20 847
1996 0 0 0 34 692 34 329 35 059 6528 6372 6688 41 220 40 824 41 620
1997 12 7 21 43 484 43 077 43 895 328 294 365 43 824 43 416 44 236
1998 45 34 60 33 707 33 349 34 069 5132 4993 5274 38 884 38 499 39 272
1999 462 422 506 44 039 43 630 44 452 317 284 354 44 818 44 405 45 235
2000 2975 2870 3084 714 664 768 8324 8147 8505 12 013 11 800 12 230
2001 134 113 159 45 339 44 924 45 758 5917 5768 6070 51 390 50 948 51 836
2002 2559 2462 2660 7818 7647 7993 7974 7801 8151 18 351 18 087 18 618
Average 1976/1977–2002/2003 887 440 1334 17 797 11 833 23 760 4107 2660 5554 22 790 17 565 28 016

*The Poisson regression model is based on the methods described in Thompson et al. (2003).