Glycosaminoglycans from Co-Products of « Scyliorhinus canicula »: Extraction and Purification in Reference to the European Pharmacopoeia Requirement

Table 8 Independent samples test of CS – DS chains contents by HPLC and CPC methods

		Levene test on the equality of variances		T-test for equality of mean
		F	Sig.	t	ddl	Sig. (bilateral)	Average difference	Difference standard deviation	Confidence interval 95% of the difference
		F	Sig.	t	ddl	Sig. (bilateral)	Average difference	Difference standard deviation	Lower	Upper
Fraction I	Assumption of equal variances	239.262	.000	1.964	4	.121	7.25000	3.69116	−2.99831	17.49831
Fraction I	Assumption of unequal variances			1.216	1.009	.437	7.25000	5.96301	−66.97839	81.47839
Fraction II	Assumption of equal variances	3.815	.146	−8.709	3	.003	−9.21667	1.05826	−12.58451	−5.84882
Fraction II	Assumption of unequal variances			−11.230	2.015	.008	−9.21667	.82074	−12.72316	−5.71018
Fraction III	Assumption of equal variances	49.020	.002	−3.863	4	.018	−5.40000	1.39777	−9.28082	−1.51918
Fraction III	Assumption of unequal variances			−2.634	1.102	.212	−5.40000	2.04980	−26.36791	15.56791

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