Reference year | Discharged in the reference year, injured before the reference year (A) | Injured and discharged in the reference year (B) | Injured in the reference year, discharged subsequent to the reference year (C, up to 1998) | Discharged subsequent to the reference year and injured before the reference year (D, up to 1998) | Estimated incidence (B+C) | Discharges (A+B) | % Overestimate from using discharges to estimate incidence |
---|---|---|---|---|---|---|---|
*152 cases discharged in 1993 had an injury year of 1900 and 523 cases discharged in 1994 had no injury year. | |||||||
These cases have been regarded as injured in their discharge year. | |||||||
1989 | 2876 | 36974 | 1689 | 3378 | 38663 | 39850 | 3.1 |
1990 | 2326 | 38568 | 1753 | 2741 | 40321 | 40894 | 1.4 |
1991 | 2364 | 37641 | 1601 | 2130 | 39242 | 40005 | 1.9 |
1992 | 2198 | 36993 | 1366 | 1533 | 38359 | 39191 | 2.2 |
1993 | 1910 | 39858 | 1258 | 989 | 41116 | 41768 | 1.6 |
1994 | 1901 | 43157 | 1093 | 346 | 44250 | 45058 | 1.8 |
1995 | 1334 | 42503 | 806 | 105 | 43309 | 43837 | 1.2 |
1996 | 847 | 41267 | 721 | 64 | 41988 | 42114 | 0.3 |
1997 | 735 | 41768 | 708 | 50 | 42476 | 42503 | 0.1 |
1998 | 758 | 41567 | 0 | 0 | 41567 | 42325 | 1.8 |