Research Article
In Vitro Antimicrobial Activity of Ethanolic Extract of Polish Propolis against Biofilm Forming Staphylococcus epidermidis Strains
Table 4
Multivariate analysis of variance by three-way ANOVA of S. epidermidis strains biofilm formation ability in the presence of EEPP.
| Source of variation | df | Sum of squares | Mean squares | % of variance | | |
| Strain () | 10 | 22.08 | 2.21 | 0.77 | 0.71 | 0.719 | Time () | 3 | 100.31 | 33.44 | 3.52 | 10.70 | <0.001 | Concentration () | 10 | 37.97 | 3.80 | 1.33 | 1.22 | 0.278 | | 30 | 35.33 | 1.18 | 1.24 | 0.38 | 0.999 | | 100 | 234.8 | 2.35 | 8.23 | 0.76 | 0.96 | | 30 | 145.96 | 4.87 | 5.12 | 1.56 | 0.032 | | 300 | 764.08 | 2.55 | 26.78 | 0.82 | 0.974 |
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