Table 3.

Proportion (95 % CI) of admissions with AEs classified according to type

Type	2013	2014	2015	2016
Hospital-acquired infection	5.2 (4.9 to 5.5)	4.6 (4.3 to 4.9)*	4.5 (4.1 to 4.8)*	4.3 (4.0 to 4.7)*
Infection other	1.4 (1.2 to 1.6)	1.0 (0.8 to 1.1)*	1.1(0.9 to 1.3)	0.9 (0.8 to 1.1)*
Urinary tract infection	1.4 (1.3 to 1.6)	1.5 (1.4 to 1.7)	1.3 (1.1 to 1.5)	1.3 (1.1 to 1.5)
Postoperative wound infection	1.2 (1.1 to 1.4)	1.2 (1.0 to 1.3)	1.1 (0.9 to 1.2)	1.1 (0.9 to 1.3)
Pneumonia	0.7 (0.6 to 0.8)	0.5 (0.4 to 0.6)*	0.5 (0.4 to 0.6)*	0.5 (0.4 to 0.6)*
Sepsis	0.5 (0.4 to 0.6)	0.3 (0.3 to 0.4)*	0.4 (0.3 to 0.6)	0.5 (0.4 to 0.6)
Central venous line infection	0.2 (0.1 to 0.2)	0.1 (0.0 to 0.1)	0.1 (0.0 to 0.1)	0.1 (0.0 to 0.2)
Ventilator associated pneumonia	0.1 (0.1 to 0.2)	0.0 (0.0 to 0.1)*	0.1 (0.0 to 0.1)	0,1 (0,0 to 0.1)*
Clostridium difficile infection	–	0.3 (0.2 to 0.3)	0.3 (0.2 to 0.3)	0.3 (0.2 to 0.3)
Other	2.7 (2.5 to 3.0)	2.4 (2.2 to 2.7)	2.0 (1.8 to 2.3)*	2.2 (2.0 to 2.5)*
AEs caused by surgery/invasive procedures	1.9 (1.7 to 2.1)	1.8 (1.6 to 2.0)	1.8 (1.6 to 2.0)	1.6 (1.4 to 1.8)
Urinary bladder distention	1.7 (1.5 to 1.9)	1.0 (0.9 to 1.2)*	1.0 (0.9 to 1.2)*	1.1 (0.9 to 1.3)*
Drug-related AE	1.4 (1.3 to 1.6)	1.4 (1.2 to 1.6)	1.3 (1.1 to 1.5)	1.5 (1.3 to 1.7)
Pressure ulcer (grades 2–4)	1.1 (1.0 to 1.3)	1.0 (0.9 to 1.1)	1.2 (1.0 to 1.4)	1.3 (1.1 to 1.5)
Fall injury	0.8 (0.7 to 0.9)	0.9 (0.7 to 1.0)	0.7 (0.5 to 0.8)	0.7 (0.6 to 0.9)
Compromised vital signs	0.5 (0.4 to 0.6)	0.3 (0.2 to 0.3)*	0.3 (0.2 to 0.4)	0.2 (0.1 to 0.2)*
Postpartum or obstetric AE†	0.2 (0.2 to 0.3)	0.2 (0.2 to 0.3)	0.1 (0.1 to 0.2)*	0.3 (0.2 to 0.4)
Neurological AE	0.1 (0.1 to 0.2)	0.0 (0.0 to 0.1)	0.1 (0.0 to 0.1)	0.1 (0.1 to 0.2)

*Significant differences compared with 2013.

†Not corrected for the proportion of women in the studied population.

AEs, adverse events.