An Innovative Approach to Functionality Testing of Analysers in the Clinical Laboratory

Table 3

Routine simulation precision cobas 6000.

Test	[Study unit]	Material	N	Mean	CV [%]	CV diff. [%]	Remarks
Na	[mmol/L]	CSP	144	138.9	0.7	0.5
K	[mmol/L]	CSP	144	5.0	0.8	0.5
ALAT	[U/L]	CSP	53	88.6	1.0	0.3
ASAT	[U/L]	CSP	18	105.8	0.9	0.1
CK	[U/L]	CSP	11	308.4	1.1	0.3
GGT_2	[U/L]	CSP	12	124.1	0.9	−0.3
CHOL_2	[mmol/L]	CSP	70	3.6	0.9	0.3
CREA_2 enz	[mol/L]	CSP	80	225.0	2.1	1.2	Outlier
GLUC_3	[mmol/L]	CSP	61	9.6	1.0	0.3
TP_2	[g/L]	CSP	55	58.0	0.9	−0.1
UREA	[mmol/L]	CSP	23	15.1	0.5	−0.3
UA_2	[mol/L]	CSP	19	449.3	1.0	0.2
Ca	[mmol/L]	CSP	39	2.9	1.1	0.6
Fe_2	[mol/L]	CSP	75	26.6	1.6	0.9
CRP	[mg/L]	HSP	70	14.5	1.2	0.3
IGG_2	[g/L]	CSP	11	6.8	1.7	0.8
IGA_2	[g/L]	CSP	11	1.6	1.4	0.2
IGM_2	[g/L]	CSP	12	0.7	3.3	1.0
RF_II	[kU/L]	HSP	10	19.2	2.4	1.0
TRSF_2	[mol/L]	CSP	12	24.4	1.3	0.2
DIG	[mmol/L]	CSP	10	4.6	2.2	1.0
Li	[mmol/L]	CSP	10	1.6	1.5	0.4
CREA_2 enz	[mol/L]	HUP	19	7474.3	2.5	1.7
TP_U-CSF_3	[mg/L]	HUP	20	99.4	2.7	1.4
FT4	[pmol/L]	CSP	26	16.9	1.6	1.0
TSH	[mU/L]	CSP	31	1.2	1.6	0.6
Pro-BNP	[pmol/L]	CSP	10	277.9	1.7	1.0
TNT	[g/L]	HSP	10	0.3	2.0	0.9
CKMBm	[g/L]	CSP	10	29.2	1.6	0.8
PSA	[g/L]	CSP	10	20.9	1.3	0.9
FPSA	[g/L]	CSP	10	5.1	1.3	0.4
ßHCG	[U/L]	CSP	0				Flag“FL”^*

^*Flag “FL” for expired reagent provocation, flag excludes values from statisitical calculation.