Table 1.

Prevalence of HAIs among 19,468 patients at Haukeland University hospital, 2004-2011

Type of infection	n	% (95 % CI)
All infections	1662	8.5 % (95 % CI: 8.1, 8.9)
Urinary tract	407	2.1 % (95 % CI 1.9, 2.3)
Lower respiratory	428	2.2 % (95 % CI: 2.0, 2.4)
Blood stream	89	0.5 % (95 CI: 0.4, 0.6)
Surgical site	311	1.6 % (95 % CI: 1.4, 1.8)
Surgical sitea	311	4.5 % (95 % CI: 4.2, 4.8)

^aAmong 6925 operated patients