Matrices listed below were spiked with certain level of CSTB and the recovery rates were calculated by comparing the measured value to the expected amount of CSTB in samples.
Matrix
Recovery range(%)
Average(%)
serum(n=5)
89-103
95
EDTA plasma(n=5)
89-103
95
heparin plasma(n=5)
93-102
98
Linearity
The linearity of the kit was assayed by testing samples spiked with appropriate concentration of CSTB and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.