Journal of Pharmaceutics / 2013 / Article / Tab 9

Research Article

Optimization of Carboxymethyl-Xyloglucan-Based Tramadol Matrix Tablets Using Simplex Centroid Mixture Design

Table 9

The predicted and experimental values of response variables, and their percentage prediction error for , , and formulations.

Optimized formulationResponse variableExperimental valuePredicted valuePercentage prediction error

41.33%41.95%−1.44
83.78%83.98%−0.238

42.52%42.32%+0.47
84.92%84.56%+0.425

45.49%45.14%+0.775
87.39%87.89%−0.568

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