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Table 1 Result of one-way ANOVA to test if coupon types, exposure time and the target organisms have significant effect on log reduction in biofilms treated with ozone (Type 1)

From: Evaluation of disinfection efficacy of ozone and chlorinated disinfectant against the biofilm of Klebsiella michiganensis and Pseudomonas aeruginosa

Source of variation

df

Mean square

F

p

Intercept

1

2.9

248.6

0.001

Coupon types (Borosilicate glass vs. Polycarbonate)

1

0.00005

0.004

0.9

Exposure time (2 min vs. 4 min)

1

0.1

8.2

0.046

Organism type (K. michiganensis vs. P. aeruginosa)

1

1.31

110.5

0.001

Error

4

0.01

  

Total

8

   
  1. df degrees of freedom, F F ratio, p significance level of F