Medical-surgical falls, falls with any injury and falls with serious injury frequency and rates
| January 2009–September 2010 | January 2015–December 2015 | Incident rate ratio (95% CI) | |
| Total number of patient days (PDs) | 75 293 | 42 580 | |
| Total number of falls | 360 | 162 | |
| Falls per 1000 PD±SD | 4.78±0.57 | 3.80±0.61 | 0.80 (0.66 to 0.96) |
| Total injured, n (%) | 76 (21%) | 26 (16%) | |
| Any injury per 1000 PD±SD | 1.01±0.26 | 0.61±0.15 | 0.60 (0.38 to 0.94) |
| No injury, n (%) | 284 (79%) | 136 (84%) | |
| Minor injury, n (%) | 64 (18%) | 25 (15%) | |
| Moderate injury, n (%) | 5 (1%) | 1 (1%) | |
| Major injury, n (%) | 7 (2%) | 0 | |
| Serious injury per 1000 PD±SD | 0.159±0.091 | 0.023±0.042 | 0.15 (0.01 to 0.85) |