Table 2.

Output data of the factorial design and predicted and observed values for the optimized OFDF (F1).

Responses	Tensile Strength (Mpa)	% Elongation	Young’s Modulus (Mpa)	Disintegration Time (s)	% PX Dissolved after 10 Minutes
Minimum	1.04 ± 0.11	6.03 ± 0.45	8.09 ± 0.15	17.09 ± 1.30	12.14 ± 0.08
Maximum	15.5 ± 0.68	53.08 ± 1.28	383.66 ± 11.06	160.06 ± 4.20	96.02 ± 3.46
F value	17.21	20.73	15.61	79.52	11.31
p-value	0.0010	0.0006	0.0013	< 0.0001	0.0036
Adequate precision	13.39	9.83	18.01	22.99	10.88
Adjusted R2	0.855	0.877	0.842	0.966	0.789
Predicted R2	0.729	0.772	0.704	0.934	0.686
R2	0.908	0.922	0.899	0.978	0.896
Significant factors	X1, X2 and X3	X3	X3	X1, X2 and X3	X1, X2 and X3
Observed values of optimum OFDF (F1)	3.89	53.08	8.12	17.09	96.02
Predicted values of optimum OFDF (F1)	3.46	50.07	9.90	20.28	97.14

Data represented as mean ± SD (n = 3).