Table 2. Analytical performance characteristics of analytes according to the manufacturer’s data in the reagent package inserts.

			Peer mean		Bias		Bias (%)		CV %
Parameter	Slope	Intercept	Level 1	Level 2	Level 1	Level 2	Level 1	Level 2	Level 1	Level 2
Albumin (g/L)	0.99	0.03	33	32	- 0.26	- 0.26	- 0.80	- 0.80	1.5	1.5
ALP (U/L)	1.00	- 1.60	93	224	- 1.69	1.82	- 1.82	- 0.81	2.4	1.7
ALT (U/L)	0.97	2.82	39	120	1.68	- 0.66	4.28	- 0.55	1.4	1.0
Amylase (U/L)	1.02	- 0.51	76	129	1.18	2.33	1.54	1.81	1.3	1.5
AST (U/L)	0.99	1.45	38	130	1.19	0.54	3.25	0.42	1.3	0.8
Direct bilirubin (µmol/L)	1.02	0.55	14.9	38.8	0.82	1.25	5.49	3.22	2.6	1.4
Total bilirubin (µmol/L)	0.99	- 0.01	15.4	52.4	- 0.12	- 0.38	- 0.77	- 0.72	2.1	0.8
Calcium (mmol/L)	0.99	0.03	0.60	2.55	0.03	0.01	4.27	0.32	0.8	0.9
Cholesterol (mmol/L)	0.99	0.01	2.3	4.9	- 0.02	- 0.06	- 1.01	-1.21	1.6	1.6
Chloride (mmol/L)	1.08	- 6.03	90	120	0.72	2.97	0.81	2.48	0.8	0.6
Creatinine (µmol/L)	0.99	- 0.28	96	354	- 1.14	- 3.47	- 1.19	- 0.98	2.2	1.7
GGT (U/L)	1.02	- 0.47	44	221	0.28	3.28	0.63	1.49	1.8	1.7
Glucose (mmol/L)	1.00	- 0.01	5.4	13.4	0.01	0.03	0.19	0.26	1.3	1.1
HDL (mmol/L)	0.99	- 0.02	0.7	1.7	- 0.03	- 0.04	- 4.16	- 2.5	1.4	1.6
LD (U/L)	0.99	0.47	159	260	- 0.49	- 1.09	- 0.31	- 0.42	1.1	0.9
Potassium (mmol/L)	1.00	0.05	3.0	5.8	0.05	0.05	1.67	0.86	0.9	0.5
TP (g/L)	1.02	- 1.22	68	50	- 0.06	- 0.37	- 0.09	- 0.74	2.4	1.7
Sodium (mmol/L)	0.97	3.38	135	150	- 0.80	- 1.27	- 0.60	- 0.85	0.8	0.5
Triglycerides (mmol/L)	1.00	- 0.01	1.4	2.3	- 0.01	- 0.01	- 0.62	- 0.33	2.0	1.6
Urea (mmol/L)	1.00	- 0.08	6.7	23.2	- 0.05	0.02	- 0.76	0.07	1.2	1.1
Uric acid (μmol/L)	1.01	- 0.12	447	111	- 9	- 3	1.93	- 0.30	1.5	1.6
CV% - Coefficient of variation. ALP - Alkaline phosphatase. ALT - Alanine aminotransferase. AST - Aspartate aminotransferase. GGT - Gamma-glutamyltransferase. HDL - High-density lipoprotein cholesterol. LD - Lactate dehydrogenase. TP - Total protein.