The Total Deviation Index estimated by Tolerance Intervals to evaluate the concordance of measurement devices

Table 1 Blood pressure device data: model parameter estimates

	Effects	Model1	Model2	Model3	Model4
Random	individual	380.187	380.187	221.396	221.391
	*individualdevice**	1.56e-06	-	3.00e-4	-
	error	52.867	52.867	52.867	52.867
Fixed	intercept	133.369	133.369	84.864	84.864
		(1.029)	(1.029)	(5.061)	(5.061)
	device	2.174	2.174	2.174	2.174
		(0.371)	(0.371)	(0.371)	(0.371)
	gender	-	-	-9.496	-9.496
		-	-	(1.585)	(1.585)
	age	-	-	0.817	0.817
		-	-	(0.057)	(0.057)
	heart rate	-		0.194	0.194
		-	-	(0.069)	(0.069)
AIC		11764.83	11760.83	11574.54	11570.54

Restricted maximum likelihood estimates of the mixed effects models. The values of random effects are variances, whereas point estimates and standard errors (between brackets) are shown for fixed effects.

ISSN: 1471-2288