Table 5

Distribution of cases by injury and discharge year for fully restricted cases discharged, 1989–98

Reference yearDischarged 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.
19892876369741689337838663398503.1
19902326385681753274140321408941.4
19912364376411601213039242400051.9
19922198369931366153338359391912.2
1993191039858125898941116417681.6
1994190143157109334644250450581.8
199513344250380610543309438371.2
1996847412677216441988421140.3
1997735417687085042476425030.1
1998758415670041567423251.8