Class

1

2

3

4

5

6

Number of isolates

73

28

29

18

133

24

Intra-class variance

14.1

19.7

15.5

28.2

23.9

0.7

Mean distance to gravity centre

3.6

3.7

3.1

4.8

4.1

0.7

Gravity centre µmax (h-1)

0.36

0.10

0.22

0.31

0.13

0.10

Gravity centre optimal growth temperature (˚C)

34.3

28.0

12.0

35.4

30.1

12.0

Gravity centre biofilm strength

2.3

1.8

9.1

13.7

3.1

2.2

Gravity centre inhibition level (%)

18.3

25.4

17.0

11.5

12.1

11.6