Estimating hospitalised injury incidence: number of injury cases retained for two options of case selection ordering using New Zealand hospital discharge data (2000–2014)
| Identification of readmissions | ||||
| Option 1: p rior to excluding SSED | Option 2: a fter excluding SSED | |||
| Injury discharges | 1 229 772 | 1 229 772 | ||
| Number of readmissions identified (option 1) | 101 357 | |||
| Exclude SSED | −365 114 | −365 114 | ||
| Number of readmissions identified (option 2) | 64 472 | |||
| Exclude non-SSED readmissions | −95 196 | −64 472 | ||
| Cases retained | 769 462 | 800 186 | ||
SSED, short-stay emergency department.