Tab. III.

RR and 95% CI for all meta-analyses carried out.

Outcome	HAI subgroup	RR [IC95%] N	p
Healthcare associated infection	HAI (no CLABSI)	0.51 [0.36-0.71]	<0.001
		16
	CLABSI	0.47 [0.28-0.82]	<0.01
		7
	All	0.50 [0.38-0.66]	<0.001
		23
Unexpected death		0.71 [0.42-1.18]	n.s.
		5
Healthcare workers satisfaction		1.24 [1.08-1.42]	<0.001
		3
Hand hygiene and all compliance	Hand hygiene compliance	1.42 [1.15-1.76]	<0.01
		3
	Compliance (no hand hygiene)	1.98 [1.50-2.63]	<0.001
		14
	All	1.86 [1.47-2.34]	<0.001
		17