Table 3.

Results of univariate meta-regression analysis of diagnostic odds ratio

Co-variables	P-value	RDOR	95% CI
Era (2002–2008)/(2009–2011)	0.15	0.19	(0.02–2.23)
Quality (low/high)	0.92	0.88	(0.05–15.11)
Gold Standard (non-PHES/PHES)	0.94	0.91	(0.04–21.29)
Location (non-Europe/Europe)	0.09	6.65	(0.70–63.62)
Number of patients (<50/≥50)	0.11	0.17	(0.02–1.77)
Cut-off (≤38/≥39)	0.95	0.92	(0.04–19.06)
Aetiology (Bypass/Cirrhosis)	0.90	0.77	(0.01–81.55)

RDORm, relative DOR.