Table 2. Ratings of on-site investigator and treating physician for 3CAT and WHOCAT, mortality review of the contribution of healthcare-associated infections to death, 11 EU countries, April 2017–February 2018 (n = 291).

3CAT			Ratings of on-site investigator
			Definitely				Possibly				Did not contribute				Total		%
Ratings of treating physician		Definitely	101				11				1				113		39
		Possibly	27				92				21				140		48
		Did not contribute	0				9				29				38		13
		Total and %	128		44		112		38		51		18		291		100
WHOCAT			Ratings of on-site investigator
			Sole cause		Part of causal sequence		Contributory but unrelated		Did not contribute			Unknown			Missing		Total	%
Ratings of treating physician	Sole cause		14		3		2		1			1			0		21	7
	Part of causal sequence		9		138		10		3			0			0		160	55
	Contributory but unrelated		1		15		25		15			0			0		56	19
	Did not contribute		1		7		5		35			0			0		48	16
	Unknown		0		0		1		1			1			0		3	1
	Missing		0		0		0		0			0			3		3	1
	Total and %		25	9	163	56	43	15	55	19		2		1	3	1	291	100

3CAT: three-category mortality review measure; EU: European Union; WHOCAT: World Health Organization death certification-based measure.

Percentages are presented in italics.