Number of staff in each lost time injury (LTI) category, cross classified by intervention (implementation of the recommendations) periods
| 0 LTI | 1 LTI | ⩾2 LTIs | Total | |
| Cleaners: | ||||
| Before | 267 | 52 | 23 | 342 |
| After | 194 | 17 | 4 | 215 |
| Orderlies: | ||||
| Before | 138 | 40 | 25 | 203 |
| After | 120 | 41 | 19 | 180 |