Method comparison - Multiple methods
Reference method	Analyzer_A
Systematic differences
Variable	n	Differences (Variable - Reference)
		Mean	SD	95% CI
Analyzer_B	12	1.5000	0.5222	1.1682 to 1.8318
Analyzer_C	12	-1.0000	0.0000	-1.0000 to -1.0000
Analyzer_D	12	1.5000	0.5222	1.1682 to 1.8318
Analyzer_E	12	0.0000	0.0000	0.0000 to 0.0000
Limits of agreement
Variable	n	Limits of agreement
		Lower limit	95% CI	Upper limit	95% CI
Analyzer_B	12	0.4764	-0.1074 to 1.0602	2.5236	1.9398 to 3.1074
Analyzer_C	12	-1.0000	-1.0000 to -1.0000	-1.0000	-1.0000 to -1.0000
Analyzer_D	12	0.4764	-0.1074 to 1.0602	2.5236	1.9398 to 3.1074
Analyzer_E	12	0.0000	0.0000 to 0.0000	0.0000	0.0000 to 0.0000
Regression
Variable	Intercept	95% CI	Slope	95% CI	P
Analyzer_B	1.2180	-0.1276 to 2.5637	0.001691	-0.006104 to 0.009486	0.6393
Analyzer_C	0.0000	 	0.0000	 	 
Analyzer_D	1.7820	0.4363 to 3.1276	-0.001691	-0.009486 to 0.006104	0.6393
Analyzer_E	0.0000	 	0.0000	 	 
Absolute percentage error
Variable	n	Median	95% CI	95th Percentile	95% CI
Analyzer_B	12	0.93%	0.58 to 1.30	1.63%	 
Analyzer_C	12	0.60%	0.48 to 0.81	1.04%	 
Analyzer_D	12	0.86%	0.56 to 1.23	2.08%	 
Analyzer_E	12	0.00%	0.00 to 0.00	0.00%	 
C:Episode 58 Method Comparison – Multiple Methods in MedCalc.mc1
Wednesday, August 5, 2026 20:39
MedCalc® Statistical Software version 20.215 (MedCalc Software Ltd, Ostend, Belgium; https://www.medcalc.org; 2023)