Comparison of VIDAS and Radioimmunoassay Methods for Measurement of Cortisol Concentration in Bovine Serum

Table 2

Serum concentration and percentage recovery of cortisol using the VIDAS method on bovine serum with high cortisol concentration.

Dilution	Expected; (nmol/L)	Observed; (nmol/L)	Recovery; (%)
1 : 1	217.7	217.7	100
1 : 2	108.8	105.3	97
1 : 4	54.42	65.8	79
1 : 8	27.2	22.1	81