Table 4.

Summary Statistics From Deming Regression Analysis of the Method Comparison Studies

Protein	Comparative method (instrument, reagents)	Range (g/l)	n	Slope (SE)	Intercept (SE)	Sy/x	r
α1AT	c 501, Roche	0.58–3.77	67	1.12 (0.019)	−0.09 (0.026)	0.052	0.998
α2M	BN II, Siemens	1.16–5.35	97	0.90 (0.019)	0.06 (0.045)	0.176	0.985
Alb	BN II, Siemens	9.72–57.50	100	0.99 (0.013)	−0.70 (0.449)	1.677	0.988
Apo AI	c 501, Roche	0.73–2.61	72	1.01 (0.010)	−0.01 (0.016)	0.037	0.998
Apo B	c 501, Roche	0.52–2.12	66	0.99 (0.012)	0.01 (0.011)	0.034	0.997
C3	c 501, Roche	0.44–3.00	64	1.00 (0.015)	−0.03 (0.022)	0.064	0.995
C4	c 501, Roche	0.10–0.58	72	1.20 (0.020)	0.02 (0.005)	0.023	0.991
Hpt	c 501, Roche	0.07–4.55	72	0.88 (0.013)	0.02 (0.016)	0.086	0.997
IgA	c 501, Roche	0.25–6.88	100	1.02 (0.010)	0.00 (0.017)	0.105	0.998
IgG	c 501, Roche	4.44–24.54	100	1.11 (0.019)	−0.17 (0.172)	0.408	0.996
IgM	c 501, Roche	0.26–5.60	99	1.04 (0.018)	−0.05 (0.021)	0.104	0.996
Oro	c 501, Roche	0.43–2.46	65	1.01 (0.006)	0.02 (0.007)	0.033	0.999
Tf	c 501, Roche	1.20–4.03	72	0.94 (0.008)	0.07 (0.019)	0.052	0.997
Ttr	c 501, Roche	0.10–0.42	72	1.18 (0.029)	−0.03 (0.006)	0.018	0.986