Overall adverse events presented by outcome
| Outcome of adverse event | Percentage of overall adverse events in this category (95% CI) | P value | |
| 2009 Data | 2015 Data | ||
| Subsequent hospitalisation | 52.5 (44.9 to 59.9) | 45.1 (37 to 53.5) | 0.1 |
| Prolonged hospital stay | 36.8 (28.4 to 46) | 39 (30.9 to 47.8) | 0.65 |
| Disability at the time of discharge* | 14.6 (9 to 22.8) | 28.2 (19.5 to 38.9) | 0.003 |
| Other intervention/treatment†| 2.6 (0.7 to 9.1) | 9.2 (4.9 to 16.8) | 0.03 |
| Outpatient visits | 3.5 (1.5 to 7.6) | 5.5 (2.8 to 10.5) | 0.42 |
| Contributed to death | 6.2 (3.3 to11.3) | 4.3 (1.7 to10.3) | 0.34 |
*Disability refers to temporary or permanent impairment of physical function.
†An intervention can include a change in therapy or some form of active medical/surgical treatment.