Table 4.

Stability of voriconazole in human plasma under different storage conditions.

Storage conditions	Concentration (mg/L)		RE (%)	RSD (%)
	Nominal	Measured
short temperature	0.2	0.19 ± 0.02	−4.8	9.9
	8.0	8.00 ± 0.52	0.0	6.5
Auto-sampler	0.2	0.19 ± 0.02	−4.5	9.3
	8.0	8.16 ± 0.61	1.9	7.4
Freeze-thaw	0.2	0.20 ± 0.02	1.3	11.1
	8.0	8.15 ± 0.50	1.9	6.2
long-term	0.2	0.19 ± 0.01	−6.7	6.7
	8.0	8.14 ± 0.50	1.7	6.4

RE, relative error; RSD, relative standard deviations; SD, standard deviation.