Table 1.

Correlation coefficients (R) for Higuchi, Zero-order, and Power law kinetic models; kinetic parameters specific to the Power law model and cumulative ciprofloxacine released percentage.

Ciprofloxacin (CPX)—Collagen (C) Sponges g CPX/g C	Correlation Coefficient, R			Kinetic Constant, k (1/minn)	Release Exponent, n	Drug Released (%)
	Higuchi Model	Zero-Order Model	Power Law Model
0.5	0.9448	0.7961	0.9762	0.084	0.33	81.63
0.75	0.9716	0.8502	0.9875	0.044	0.37	61.70
1	0.9572	0.8194	0.9820	0.063	0.35	69.86