Table 2.

Data from model dependent mathematical analysis of INH release profiles

Model designation	Parameter	pH of the release medium
		4.4	5.4	6.4	7.4
Zero-order	R2 Observed	−1.1654	−0.5274	−1.0925	−0.7970
	R2 Adjusted	−1.1655	−0.5274	−1.0925	−0.7970
First-order	R2 Observed	0.8271	0.7938	0.3866	−0.1928
	R2 Adjusted	0.8271	0.7938	0.3866	−0.1928
Higuchi	R2 Observed	0.7364	0.8673	0.7510	0.8137
	R2 Adjusted	0.7364	−0.5274	0.7510	0.8137
Korsmeyer-Peppas	R2 Observed	0.9968	0.9949	0.9950	0.9940
	R2 Adjusted	0.9964	0.9943	0.9944	0.9932
	n	0.3119	0.3518	0.3157	0.3331
Hixson-Crowell	R2 Observed	0.6991	0.6439	0.0846	−0.3756
	R2 Adjusted	0.6991	0.6439	0.0846	−0.3756
Baker-Lonsdale	R2 Observed	0.9812	0.9921	0.9308	0.8844
	R2 Adjusted	0.9812	0.9922	0.9308	0.8844

R:² coefficient of determination. n: diffusion exponent.