Table 3.
Amounts of microorganisms forming a biofilm (log CFU/ml) according to biotypes (I–IV) from the arbitrary method.
| Time (h) | Biotype | N | Mean | SD | Median | Minimum | Maximum | Q1 | Q3 | p∗ |
|---|---|---|---|---|---|---|---|---|---|---|
| 4 | I | 62 | 7.09 | 0.07 | 7.08 | 7 | 7.32 | 7.04 | 7.11 | p = 0.284 |
| II | 23 | 7.12 | 0.08 | 7.08 | 7 | 7.32 | 7.08 | 7.15 | ||
| III | 50 | 7.09 | 0.06 | 7.08 | 7 | 7.28 | 7.04 | 7.11 | ||
| IV | 8 | 7.13 | 0.11 | 7.1 | 7 | 7.28 | 7.04 | 7.24 | ||
| 6 | I | 62 | 7.14 | 0.07 | 7.11 | 7.04 | 7.36 | 7.11 | 7.18 | p = 0.081 |
| II | 23 | 7.18 | 0.08 | 7.15 | 7.08 | 7.38 | 7.11 | 7.23 | ||
| III | 50 | 7.15 | 0.06 | 7.15 | 7.08 | 7.32 | 7.11 | 7.18 | ||
| IV | 8 | 7.21 | 0.12 | 7.18 | 7.08 | 7.34 | 7.11 | 7.34 | ||
| 8 | I | 62 | 7.2 | 0.07 | 7.18 | 7.08 | 7.4 | 7.15 | 7.22 | p = 0.025 |
| II | 23 | 7.23 | 0.07 | 7.2 | 7.15 | 7.38 | 7.18 | 7.26 | ||
| III | 50 | 7.21 | 0.07 | 7.2 | 7.11 | 7.38 | 7.18 | 7.23 | IV > I | |
| IV | 8 | 7.27 | 0.1 | 7.24 | 7.15 | 7.4 | 7.22 | 7.38 | ||
| 10 | I | 62 | 7.25 | 0.07 | 7.23 | 7.15 | 7.45 | 7.2 | 7.28 | p = 0.034 |
| II | 23 | 7.28 | 0.08 | 7.26 | 7.18 | 7.41 | 7.2 | 7.34 | ||
| III | 50 | 7.26 | 0.07 | 7.26 | 7.15 | 7.41 | 7.21 | 7.28 | IV > I | |
| IV | 8 | 7.32 | 0.09 | 7.28 | 7.23 | 7.43 | 7.27 | 7.42 | ||
| 12 | I | 62 | 7.31 | 0.07 | 7.32 | 7.18 | 7.52 | 7.26 | 7.34 | p = 0.067 |
| II | 23 | 7.33 | 0.07 | 7.34 | 7.23 | 7.45 | 7.27 | 7.38 | ||
| III | 50 | 7.32 | 0.07 | 7.32 | 7.2 | 7.46 | 7.26 | 7.36 | ||
| IV | 8 | 7.38 | 0.06 | 7.36 | 7.3 | 7.46 | 7.34 | 7.45 | ||
| 14 | I | 62 | 7.37 | 0.07 | 7.38 | 7.23 | 7.56 | 7.34 | 7.4 | p = 0.049 |
| II | 23 | 7.4 | 0.07 | 7.4 | 7.26 | 7.52 | 7.36 | 7.45 | ||
| III | 50 | 7.37 | 0.07 | 7.36 | 7.23 | 7.52 | 7.34 | 7.41 | IV > III | |
| IV | 8 | 7.44 | 0.07 | 7.41 | 7.36 | 7.52 | 7.39 | 7.51 | ||
| 16 | I | 62 | 7.43 | 0.07 | 7.41 | 7.32 | 7.72 | 7.38 | 7.45 | p = 0.026 |
| II | 23 | 7.46 | 0.08 | 7.45 | 7.34 | 7.67 | 7.4 | 7.51 | ||
| III | 50 | 7.43 | 0.07 | 7.41 | 7.3 | 7.67 | 7.38 | 7.46 | IV > III.I | |
| IV | 8 | 7.49 | 0.07 | 7.48 | 7.4 | 7.57 | 7.44 | 7.55 | ||
| 18 | I | 62 | 7.57 | 0.07 | 7.56 | 7.43 | 7.71 | 7.53 | 7.63 | p = 0.017 |
| II | 23 | 7.61 | 0.07 | 7.64 | 7.51 | 7.74 | 7.56 | 7.66 | ||
| III | 50 | 7.57 | 0.08 | 7.56 | 7.41 | 7.74 | 7.53 | 7.59 | II > III | |
| IV | 8 | 7.64 | 0.08 | 7.67 | 7.48 | 7.72 | 7.62 | 7.69 | ||
| 20 | I | 62 | 7.49 | 0.08 | 7.45 | 7.36 | 7.66 | 7.43 | 7.54 | p = 0.037 |
| II | 23 | 7.53 | 0.08 | 7.56 | 7.34 | 7.64 | 7.5 | 7.58 | ||
| III | 50 | 7.49 | 0.09 | 7.45 | 7.36 | 7.67 | 7.41 | 7.55 | II > III | |
| IV | 8 | 7.54 | 0.09 | 7.53 | 7.41 | 7.65 | 7.47 | 7.62 | ||
| 22 | I | 62 | 7.45 | 0.08 | 7.41 | 7.32 | 7.65 | 7.4 | 7.5 | p = 0.015 |
| II | 23 | 7.5 | 0.08 | 7.52 | 7.3 | 7.66 | 7.46 | 7.55 | ||
| III | 50 | 7.45 | 0.09 | 7.41 | 7.32 | 7.65 | 7.38 | 7.5 | II > III.I | |
| IV | 8 | 7.48 | 0.1 | 7.45 | 7.34 | 7.63 | 7.41 | 7.56 | ||
| 24 | I | 62 | 7.4 | 0.08 | 7.38 | 7.26 | 7.59 | 7.35 | 7.44 | p = 0.022 |
| II | 23 | 7.45 | 0.07 | 7.45 | 7.28 | 7.6 | 7.43 | 7.51 | ||
| III | 50 | 7.4 | 0.09 | 7.38 | 7.26 | 7.61 | 7.34 | 7.45 | II > III.I | |
| IV | 8 | 7.45 | 0.1 | 7.41 | 7.32 | 7.59 | 7.38 | 7.54 |
∗Kruskal–Wallis test and post hoc results (Dunn’s test) were used for the analysis.