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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

ParametersExperimental groups
CG1-MCG2-MTG1-MTG2-MTG3-MTG4-MTG5-MTG6-M
α (days−1)0.426 ± 0.0590.422 ± 0.0310.426 ± 0.0590.422 ± 0.0310.422 ± 0.0310.422 ± 0.0310.422 ± 0.0310.422 ± 0.031
α* (days−1)0.226 ± 0.1070.303 ± 0.0510.201 ± 0.0460.174 ± 0.0490.244 ± 0.0340.202 ± 0.087
β (days−1)0.034 ± 0.0220.049 ± 0.0160.059 ± 0.0440.078 ± 0.0500.017 ± 0.0170.058 ± 0.0460.028 ± 0.0100.014 ± 0.014
eα (days−1)0.021 ± 0.0500.011 ± 0.0700.098 ± 0.0570.037 ± 0.0610.010 ± 0.0030.015 ± 0.0070.089 ± 0.0570.037 ± 0.016
eβ (days−1)0.001 ± 0.0000.007 ± 0.000*0.002 ± 0.0010.015 ± 0.0020.002 ± 0.000**0.009 ± 0.0010.009 ± 0.0030.051 ± 0.008
SSE (cm3)0.184 ± 0.0680.055 ± 0.0320.147 ± 0.0790.053 ± 0.0140.300 ± 0.2380.334 ± 0.2190.072 ± 0.0230.138 ± 0.095
SE (cm3)0.064 ± 0.0160.033 ± 0.0110.026 ± 0.0080.017 ± 0.0030.063 ± 0.0320.036 ± 0.0150.019 ± 0.0040.028 ± 0.011
\(r_{a}^{2}\)0.979 ± 0.0030.985 ± 0.0070.964 ± 0.0160.980 ± 0.0050.922 ± 0.0190.978 ± 0.0080.991 ± 0.0050.965 ± 0.007
PRESS (cm3)0.030 ± 0.0160.004 ± 0.0020.023 ± 0.0190.003 ± 0.0010.018 ± 0.0100.036 ± 0.0200.007 ± 0.0030.004 ± 0.003
MPRESS (cm3)0.030 ± 0.0160.004 ± 0.0020.023 ± 0.0190.003 ± 0.0010.018 ± 0.0100.036 ± 0.0200.007 ± 0.0030.005 ± 0.003
RMSE (cm3)0.061 ± 0.0150.032 ± 0.0110.026 ± 0.0080.017 ± 0.0030.061 ± 0.0310.036 ± 0.0150.019 ± 0.0040.028 ± 0.011
Dmax (cm3)0.137 ± 0.0370.064 ± 0.0230.061 ± 0.0200.035 ± 0.0080.139 ± 0.0650.069 ± 0.0270.036 ± 0.0080.065 ± 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