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Table 5 Average ± mean standard error of parameters obtained from fitting of TGK1 for male groups

From: Efficacy of direct current generated by multiple-electrode arrays on F3II mammary carcinoma: experiment and mathematical modeling

Parameters

Experimental groups

CG1-M

CG2-M

TG1-M

TG2-M

TG3-M

TG4-M

TG5-M

TG6-M

α (days−1)

0.426 ± 0.059

0.422 ± 0.031

0.426 ± 0.059

0.422 ± 0.031

0.422 ± 0.031

0.422 ± 0.031

0.422 ± 0.031

0.422 ± 0.031

α* (days−1)

0.226 ± 0.107

0.303 ± 0.051

0.201 ± 0.046

0.174 ± 0.049

0.244 ± 0.034

0.202 ± 0.087

β (days−1)

0.034 ± 0.022

0.049 ± 0.016

0.059 ± 0.044

0.078 ± 0.050

0.017 ± 0.017

0.058 ± 0.046

0.028 ± 0.010

0.014 ± 0.014

eα (days−1)

0.021 ± 0.050

0.011 ± 0.070

0.098 ± 0.057

0.037 ± 0.061

0.010 ± 0.003

0.015 ± 0.007

0.089 ± 0.057

0.037 ± 0.016

eβ (days−1)

0.001 ± 0.000

0.007 ± 0.000*

0.002 ± 0.001

0.015 ± 0.002

0.002 ± 0.000**

0.009 ± 0.001

0.009 ± 0.003

0.051 ± 0.008

SSE (cm3)

0.184 ± 0.068

0.055 ± 0.032

0.147 ± 0.079

0.053 ± 0.014

0.300 ± 0.238

0.334 ± 0.219

0.072 ± 0.023

0.138 ± 0.095

SE (cm3)

0.064 ± 0.016

0.033 ± 0.011

0.026 ± 0.008

0.017 ± 0.003

0.063 ± 0.032

0.036 ± 0.015

0.019 ± 0.004

0.028 ± 0.011

\(r_{a}^{2}\)

0.979 ± 0.003

0.985 ± 0.007

0.964 ± 0.016

0.980 ± 0.005

0.922 ± 0.019

0.978 ± 0.008

0.991 ± 0.005

0.965 ± 0.007

PRESS (cm3)

0.030 ± 0.016

0.004 ± 0.002

0.023 ± 0.019

0.003 ± 0.001

0.018 ± 0.010

0.036 ± 0.020

0.007 ± 0.003

0.004 ± 0.003

MPRESS (cm3)

0.030 ± 0.016

0.004 ± 0.002

0.023 ± 0.019

0.003 ± 0.001

0.018 ± 0.010

0.036 ± 0.020

0.007 ± 0.003

0.005 ± 0.003

RMSE (cm3)

0.061 ± 0.015

0.032 ± 0.011

0.026 ± 0.008

0.017 ± 0.003

0.061 ± 0.031

0.036 ± 0.015

0.019 ± 0.004

0.028 ± 0.011

Dmax (cm3)

0.137 ± 0.037

0.064 ± 0.023

0.061 ± 0.020

0.035 ± 0.008

0.139 ± 0.065

0.069 ± 0.027

0.036 ± 0.008

0.065 ± 0.009

  1. *0.0075±0.0006, **0.0021 ± 0.0003. TGK1 was the first part of the unperturbed and direct current perturbed F3II tumor growth kinetic. The variable α was the intrinsic growth rate of the tumor and eα its estimation error. The variable β was the growth decelation factor and eβ its estimation error. The maximum distance, root means square error, sum of squares of errors, standard error of the estimate, adjusted goodness-of-fit coefficient of multiple determination, predicted residual error sum of squares and multiple predicted residual sum error of squares were represented by parameters Dmax, RMSE, SSE, SE, \(r_{a}^{2}\), PRESS and MPRESS (for m = 3), respectively. Legends of CG1-F, CG2-F, TG1-F, TG2-F, TG3-F, TG4-F, TG5-F and TG6-F were defined in Experiment subsection