Determination of Levetiracetam in Human Plasma by Dispersive Liquid-Liquid Microextraction Followed by Gas Chromatography-Mass Spectrometry

Table 4

ANOVA results for the linearity of LEV (SS: sum of squares; Df: degrees of freedom; MS: mean squares; : calculated test; : tabulated test).

ANOVA	SS	Df	MS		value
Regression model	0.26854	1	0.26854	4931.71	0.000	2.85
Residual error	0.00103	19	0.00005	Linear
Lack of fit	0.00030	5	0.00006	1.15	0.379	2.84
Pure error	0.00073	14	0.00005	No lack of fit

value: significance level of 0.05.