Table 2.

Application of the proposed and reference method for the determination of NAP in pure form, dosage form, and plasma.

Parameters	Pure form		Dosage form		Plasma
Method	Proposed method∗	Reference method [32]∗	Proposed method∗	Reported method [32]∗	Proposed method∗	Reported method [32]∗
% found	102.14	101.2	100.17	100.8	96.54	97.9
	100.45	100.65	100.22	99.7	97.32	99.0
	99.9	99.8	99.6	98.8	98.0	99.2
Mean ± S.D.	100.83 ± 1.67	100.55 ± 0.71	99.99 ± 0.34	99.77 ± 1.0	97.28 ± 0.73	98.7 ± 0.7
t-test	0.922 (2.776)		0.876 (2.776)		0.842 (2.776)
F-test	2.345 (19)		1.512 (19)		1.344 (19)

^∗Each result is the average of three different separate determinations. Figures in parentheses are the tabulated t and F values, respectively, at P=0.05.