Table 3. Correlation and Passing-Bablok regression results for hs-TnI assays on the Atellica IM 1600 Analyser and established systems.

Site	Comparative hs-cTn assay	N	Measuring range (ng/L) (Atellica IM)	Slope	95% CI of slope	Intercept (ng/L)	95% CI of intercept	Correlation coefficient
A	Advia Centaur XP‡	39	11.84–18,397	0.88	0.86–0.90	0.77	-0.33–2.61	0.997
B	Advia Centaur XP*	87	2.21–15,989	1.02	1.00–1.03	0.98	0.67–1.41	0.999
C	Advia Centaur XP§	117	2.19–7,223	1.06	1.04–1.08	0.87	0.66–1.10	0.999
D	Advia Centaur XP§	72	1.53–20,212	1.05	1.03–1.06	-2.31	-2.70–(-1.63)	0.999
B	Architect STAT*	91	1.34–15,989	0.99	0.88–1.14	1.46	0.28–2.71	0.964
C	Dimension Vista†	121	1.49–7,223	1.04	1.00–1.07	-1.37	-1.63–(-0.76)	0.984
A	Dimension EXL*	40	11.84–19,566	0.97	0.93–1.01	-0.24	-6.12–9.48	0.998
CI – coefficient of variation. hs-Tn – high sensitive troponin. *Intercept 95% CI includes value zero and slope 95% CI includes value one; †Intercept 95% CI does not include value zero and slope 95% CI includes value one; ‡Intercept 95% CI includes value zero and slope 95% CI does not include value one; §Intercept 95% CI does not include value zero and slope 95% CI does not include value one