Table 4 P-value for viable counts in different electric field experiments using repeated measures ANOVA with Bonferroni (step-down) Holm correction

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

Bacteria

EFS/(V⋅m−1)

EP/mV

FSB vs. NCB

ESB vs. NCB

FSB vs. ESB

ANOVA

ANOVA +Bonferroni-H

ANOVA

ANOVA +Bonferroni-H

S. aureus

2

200

0.174

0.348

0.129

0.258

0.861

 

4

400

0.050*

0.15

0.006*

0.018*

0.292

 

6

600

0.028*

0.112

0.006*

0.024*

0.455

 

8

800

0.006*

0.03*

0.002*

0.01*

0.578

 

10

1 000

0.000 3*

0.001 8*

0.001*

0.006*

0.675

E. coli

10

1 000

0.905

0.905

0.348

0.348

0.399

  1. ANOVA, analysis of variance; EFS, electric field strength; EP, electric potential; ESB: electrode-stimulated bacteria; FSB, field stimulated bacteria; NCB, negative control bacteria.
  2. *Significant (P≤0.05).
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