Table 2. Mean number of diagnostic tests, diagnostic yields and median times to diagnosis in the overall study group and at the individual participating hospitals before and after implementation of new pathways.

		All centres*	Northern General & Royal Hallamshire	Victoria Hospital	St. Marien	CHU de Nîmes	MCA Alkmaar†
N	Pre	223	89	55	41	12	26
	Post	232	Not reported	58	51	8	115
Average number of tests	Pre	4.125	4.5	4.0	4.0	4.0	2.4
	Post	3.15	4.0	2.2	3.4	3.0	7.0
	Change	−24%	−11%	−45%	−15%	−25%	+192%
	p value‡	<0.046	Not reported	<0.001	0.041	Not reported	NA
Diagnostic yield	Pre	42%	Not reported	46%	37%	Not reported	81%
	Post	73%	Not reported	83%	62%	Not reported	95%
	Change	+75%	NA	+80%	+68%	NA	+17%
	p value§	0.007	NA	<0.001	0.013	NA	0.016
Median time from admission to diagnosis (days)	Pre	21	41	17.5	7	30	13
	Post	9	14	1	7	15	7
	Change	−59%	−66%	−99%	0%	−50%	−46%
	p value**	<0.048	Not reported	<0.001	NA	Not reported	<0.001

* Excluding MCA Alkmaar.

^†Specialist geriatric centre.

^‡Paired T test.

^§Chi-Square test.

** Mood Median test.