AMB Express

Table 4 Statistical analysis of model terms by multiple regression analysis

From: Optimization of an efficient solid-phase enrichment medium for Salmonella detection using response surface methodology

Term	Y1			Y2
Term	CE	SE	P-value	CE	SE	P-value
Intercept	97.35	2.86	0.0002	98.18	2.16	< 0.001
X1	10.77	1.90	0.0002	11.03	1.43	< 0.0001
X2	9.22	1.90	0.0007	8.89	1.43	< 0.0001
X3	6.31	1.90	0.0076	6.37	1.43	< 0.0012
X1X2	− 0.84	2.48	0.7408	− 2.50	1.87	0.2110
X1X3	1.01	2.48	0.6928	0.63	1.87	0.7452
X2X3	− 2.70	2.48	0.3018	− 3.75	1.87	0.0728
\({\text{X}}_{1}^{2}\)	− 11.67	1.85	< 0.0001	− 11.66	1.39	< 0.0001
\({\text{X}}_{2}^{2}\)	− 7.09	1.85	0.0033	− 8.57	1.39	0.0001
\({\text{X}}_{3}^{2}\)	− 5.78	1.85	0.0107	− 5.48	1.39	0.0028

Y1 mode 1 (the nine type strains), Y2 mode 2 (the 40 different local strains), CE coefficient estimate, SE Squares for Error

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