Roche Diagnostics
70 Instructions for Use · Version 13.0
3 Specifications cobas b 123 POC system
Performance data
Material: tonometered human whole blood, n=20
Parameter group: COOX only
Material: tonometered human whole blood, n=20
COHb
Unit: [%]
Parameter group: BG and COOX
Material: prepared human whole blood, n=20
Parameter group: COOX only
Material: prepared human whole blood, n=20
MetHb
Unit: [%]
Parameter group: BG and COOX
Mean S
R
(CV%) S
I
(CV%)
Sample 1 79.8 0.9521 1.19 1.1771 1.48
Sample 2 94.3 0.5132 0.54 0.6293 0.67
Sample 3 97.8 0.0734 0.08 0.2777 0.28
Table 3-75 O
2
Hb material
Mean S
R
(CV%) S
I
(CV%)
Sample 1 80.8 0.7441 0.92 0.9247 1.15
Sample 2 94.7 0.3349 0.35 0.6138 0.65
Sample 3 97.8 0.1145 0.12 0.2440 0.25
Table 3-76 O
2
Hb material
Mean S
R
(CV%) S
I
(CV%)
Sample 1 1.4 0.0676 4.78 0.1780 12.58
Sample 2 4.0 0.1092 2.70 0.1915 4.73
Sample 3 13.9 0.0823 0.59 0.1766 1.27
Table 3-77 COHb material
Mean S
R
(CV%) S
I
(CV%)
Sample 1 1.4 0.0613 4.34 0.1824 12.91
Sample 2 4.0 0.0677 1.67 0.1893 4.67
Sample 3 13.9 0.0655 0.47 0.1577 1.14
Table 3-78 COHb material