Linearity; Cut-Off Concentration - Macherey-Nagel URYXXON Relax User Manual

15.3.4 Linearity

Blood: neg. · 10 · 50 · 250 erythrocytes/μL
Urobilinogen: norm. · 2 · 4 · 8 · 12 mg/dL
Bilirubin: neg. · 1 · 2 · 4 mg/dL
Protein: neg. · Trace (optional) · 30 · 100 · 500 mg/dL
Nitrite: neg. · pos.
Ketones: neg. · 25 · 100 · 300 mg/dL
Ascorbic acid: neg. · 10 · 20 mg/dL
Glucose: neg. · norm. · 50 · 150 · ≥ 500 mg/dL
pH: 5 · 6 · 6.5 · 7 · 8 · 9
Density: 1.000 · 1.005 · 1.010 · 1.015 · 1.020 · 1.025 · 1.030 g/mL
Leukocytes: neg. · 25 · 75 · 500 leukocytes/μL
Albumin: 10 · 30 · 80 · 150 mg/L
Creatinin: 10 · 50 · 100 · 200 · 300 mg/dL

15.3.5 Cut-off concentration

The Cut-Off-Concentration (Medical decision point) has been defined as the concentration,
where minimum 50 % of the results are positive.
Parameter
Blood
Urobilinogen
Bilirubin
Protein
Nitrite
Ketones
Ascorbic acid
Glucose
Leucocytes
)
Albumin³
3)
Creatinin
3) For Performance data on these parameters, please refer to Chapter 15.3.3 "Mikroalbumin")
Cut-off concentration
approx. 4 Ery/μL
approx. 1.5 mg/dL
approx. 1.0 mg/dL
approx. 15 mg/dL
approx. 0.1 mg/dL
approx. 15 mg/dL
approx. 5 mg/dL
approx. 35 mg/dL
approx. 10 Leu/μL
not applicable
not applicable
Manual URYXXON Relax EN, V 6.03 / 08.22
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