Table 2.
Season | Age < 65 years | Age ≥ 65 years | Total | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Epi weeks | Annual excess numbers | L 95% CI | U 95% CI | Annual excess rate** | Epi weeks | Annual excess numbers | L 95% CI | U 95% CI | Annual excess rate** | Annual excess numbers | L 95% CI | U 95% CI | |
1972 | 9 | 5206 | 2212 | 8200 | 2·7 | 6 | 12 174 | 5763 | 18 585 | 56·9 | 17 380 | 7975 | 26 785 |
1973 | 0 | 0 | 0 | 0 | 0·0 | 0 | 0 | 0 | 0 | 0·0 | 0 | 0 | 0 |
1974 | 2 | 836 | 175 | 1497 | 0·4 | 7 | 12 140 | 4693 | 19 587 | 54·1 | 12 976 | 4868 | 21 084 |
1975 | 0 | 0 | 0 | 0 | 0·0 | 8 | 22 543 | 14 047 | 31 039 | 98·0 | 22 543 | 14 047 | 31 039 |
1976 | 0 | 0 | 0 | 0 | 0·0 | 0 | 0 | 0 | 0 | 0·0 | 0 | 0 | 0 |
1977 | 7 | 5299 | 2904 | 7695 | 2·7 | 9 | 30 387 | 20 485 | 40 289 | 125·9 | 35 687 | 23 389 | 47 984 |
1978 | 0 | 0 | 0 | 0 | 0·0 | 0 | 0 | 0 | 0 | 0·0 | 0 | 0 | 0 |
1979 | 0 | 0 | 0 | 0 | 0·0 | 7 | 14 494 | 7673 | 21 314 | 57·3 | 14 494 | 7673 | 21 314 |
1980 | 7 | 4035 | 2233 | 5837 | 2·0 | 11 | 34 726 | 25 292 | 44 159 | 134·2 | 38 761 | 27 525 | 49 996 |
1981 | 0 | 0 | 0 | 0 | 0·0 | 7 | 7758 | 1947 | 13 568 | 29·3 | 7758 | 1947 | 13 568 |
1982 | 0 | 0 | 0 | 0 | 0·0 | 6 | 8600 | 3373 | 13 827 | 31·8 | 8600 | 3373 | 13 827 |
1983 | 2 | 743 | 267 | 1220 | 0·4 | 2 | 3467 | 1707 | 5226 | 12·5 | 4210 | 1975 | 6446 |
1984 | 7 | 2595 | 1044 | 4147 | 1·2 | 9 | 21 908 | 13 843 | 29 972 | 77·6 | 24 503 | 14 887 | 34 119 |
1985 | 2 | 742 | 300 | 1185 | 0·4 | 12 | 20 426 | 8798 | 32 055 | 70·9 | 21 169 | 9097 | 33 240 |
1986 | 2 | 530 | 126 | 934 | 0·2 | 7 | 10 974 | 5117 | 16 831 | 37·4 | 11 504 | 5243 | 17 765 |
1987 | 0 | 0 | 0 | 0 | 0·0 | 16 | 26 857 | 15 518 | 38 197 | 89·8 | 26 857 | 15 518 | 38 197 |
1988 | 0 | 0 | 0 | 0 | 0·0 | 4 | 3446 | 848 | 6043 | 11·3 | 3446 | 848 | 6043 |
1989 | 5 | 2495 | 1503 | 3487 | 1·1 | 9 | 27 016 | 20 426 | 33 606 | 87·2 | 29 510 | 21 928 | 37 093 |
1990 | 2 | 642 | 254 | 1030 | 0·3 | 18 | 20 881 | 7632 | 34 130 | 66·3 | 21 523 | 7887 | 35 160 |
1991 | 5 | 2085 | 1101 | 3069 | 0·9 | 20 | 36 658 | 21 855 | 51 461 | 114·5 | 38 743 | 22 956 | 54 530 |
1992 | 3 | 885 | 283 | 1487 | 0·4 | 21 | 35 302 | 20 132 | 50 472 | 108·6 | 36 187 | 20 415 | 51 959 |
1993 | 4 | 2026 | 1266 | 2785 | 0·9 | 8 | 30 908 | 24 860 | 36 956 | 93·8 | 32 934 | 26 126 | 39 742 |
1994 | 0 | 0 | 0 | 0 | 0·0 | 8 | 10 569 | 4259 | 16 879 | 31·7 | 10 569 | 4259 | 16 879 |
1995 | 3 | 1449 | 872 | 2027 | 0·6 | 6 | 13 408 | 8805 | 18 011 | 39·7 | 14 857 | 9677 | 20 037 |
1996 | 4 | 1542 | 755 | 2329 | 0·7 | 9 | 26 841 | 19 702 | 33 980 | 78·5 | 28 383 | 20 457 | 36 309 |
1997 | 8 | 2604 | 1130 | 4077 | 1·1 | 11 | 33 901 | 26 058 | 41 744 | 98·2 | 36 504 | 27 188 | 45 821 |
1998 | 7 | 2290 | 983 | 3597 | 0·9 | 15 | 41 106 | 29 934 | 52 279 | 117·9 | 43 396 | 30 917 | 55 875 |
1999 | 8 | 4157 | 2698 | 5616 | 1·7 | 10 | 37 805 | 31 379 | 44 230 | 107·6 | 41 962 | 34 077 | 49 847 |
2000 | 15 | 4303 | 1475 | 7131 | 1·7 | 28 | 34 195 | 15 010 | 53 380 | 96·6 | 38 498 | 16 485 | 60 511 |
2001 | 5 | 1403 | 438 | 2368 | 0·6 | 8 | 12 712 | 6665 | 18 760 | 35·7 | 14 116 | 7103 | 21 128 |
2002 | 0 | 0 | 0 | 0 | 0·0 | 0 | 0 | 0 | 0 | 0·0 | 0 | 0 | 0 |
Average during the 1976/77 through the 2002/03 seasons | 3·6 | 1475 | 855 | 2095 | 0·7 | 9·7 | 20 161 | 14 907 | 25 415 | 65·0 | 21 636 | 15 914 | 27 358 |
*Model estimates are based on the linear regression model used in Simonsen et al. (1997).
**Deaths per 100 000 person years.