Table 3 Inhibition zones produced around the anode at different EFS and P -value using univariate ANOVA with Bonferroni (step-down) Holm correction

From: The growth of Staphylococcus aureus and Escherichia coli in low-direct current electric fields

  

Inhibition zones/mm

IZs vs. IZe

EFS/(Vm−1)

EP/mV

IZs

IZe

ANOVA

ANOVA+Bonferroni-H

5

500

4.00±3.83

1.63±0.74

0.019 9*

0.039 8*

10

1 000

7.00±2.16

2.88±0.84

0.000 12*

0.000 48*

16

1 500

7.75±1.71

4.25±1.17

0.000 86*

0.002 58*

22

2 000

11.25±1.89

6.50±0.76

0.000 01*

0.000 05*

27

2 500

13.75±1.50

12.25±1.83

0.135 03

0.135 03

  1. ANOVA, analysis of variance; EFS, electric field strength; EP, electric potential; IZe, inhibition zones for E. coli; IZs, inhibition zones for S .aureus.
  2. *Significant (P≤0.05).