Table 2 Mean and standard deviation of the different parameters (thickness, death, covered surface, autofluorescence) of each strain under different conditions of inoculation (24, 48, and 72 hours of exposure to the ciprofloxacin), and control without antibiotic (96 hours)

M. fortuitum

31.3 ± 7.6

28.9 ± 5.1

24.6 ± 5.4*

15.1 ± 3.6*

41.1 ± 4.1

35 ± 8.9

63.2 ± 12.1*

55.6 ± 13.2

64.6 ± 18.5

54.3 ± 27.6

44.6 ± 18.7

29.9 ± 15.4

42.8 ± 0.9

42 ± 15.9

45.3 ± 26.9

30.8 ± 16.2

M. abscessus

22.4 ± 5.1

18.8 ± 5.8*

14.8 ± 5.4*

13.8 ± 4.7*

18.4 ± 20

24 ± 4.3

23.3 ± 17.4

30.8 ± 18.6

46.5 ± 18.6

47.9 ± 20.8

21.7 ± 17.6

27 ± 13.3

40.6 ± 10.8

36.2 ± 11.8

29.2 ± 15

25 ± 19

M. chelonae

24.9 ± 5.6

23.6 ± 4.9

21.6 ± 4.7*

18.4 ± 5.5*

42 ± 12.4

38 ± 7.3

55 ± 15.2

82.9 ± 2.5*

48 ± 15.2

69.6 ± 11.6

44.7 ± 13.6

46.9 ± 6.3

65.7 ± 19.6

51.9 ± 8.1

67.3 ± 11.3

48.9 ± 27

M. peregrinum

14.4 ± 4.2

15.9 ± 4.8

11.6 ± 3.9*

7.7 ± 2.8*

76.7 ± 24.4

69.1 ± 17.5

77.4 ± 20.2

91.6 ± 8.8

43.6 ± 15.4

37.4 ± 28.8

26.2 ± 16.7

20.7 ± 8.8

47 ± 14.7

55.3 ± 11.5

40.7 ± 21.2

44.8 ± 32.7

M.mucogenicum

19.9 ± 9.3

18.1 ± 8.4

20.4 ± 8.9

16.6 ± 6.7

65.4 ± 20.1

57.4 ± 11.9

56.8 ± 2.4

64.4 ± 20.9

23.9 ± 7.4

9.2 ± 11.1

6.6 ± 2.9*

4.5 ± 1.4*

83.8 ± 8

106.5 ± 3.2*

107.5 ± 8.8*

101 ± 22.7

M. mageritense

15.6 ± 8.2

14.5 ± 8.6

16.5 ± 9.7

16.8 ± 8.3

55.9 ± 32.8

72.2 ± 16

71.5 ± 20.7

54.9 ± 6.6

29.7 ± 15.1

35.5 ± 6.8

31.5 ± 2.3

40.5 ± 18.9

81.8 ± 10.6

75.8 ± 4.4

91.8 ± 8

69.8 ± 22

M. smegmatis

26.6 ± 12.7

23.7 ± 7.2

17.8 ± 6.9*

15 ± 7.2*

33.2 ± 11.5

36.6 ± 18.7

67.9 ± 9.7

82.3 ± 4.4

26.5 ± 15.8

25.9 ± 24.7

16.4 ± 6.9

9.8 ± 11

101.5 ± 9.5

108.8 ± 11

87.7 ± 58.8

52.6 ± 5.5