Table 3.

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.