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Table 3 Distribution and classification of the whole collection of Pseudomonas aeruginosa strains according to their capacity to form biofilms in terms of biomass production and metabolic activity

From: Characterization of the virulence of Pseudomonas aeruginosa strains causing ventilator-associated pneumonia

 

CV

XTT

Low producers

Moderate producers

High producers

Low producers

Moderate producers

High producers

Controls, N (%)

0 (0.0)

8 (8.9)

42 (46.7)

18 (20.0)

20 (22.2)

12 (13.3)

Cases, N (%)

1 (1.1)

5 (5.6)

34 (37.7)

21 (23.0)

14 (15.6)

5 (5.6)

Total, N (%)

1 (1.1)

13 (14.5)

76 (84.4)

39 (43.3)

34 (37.8)

17 (18.9)

  1. N Number of strains; % Percentage of strains; CV Crystal violet; XTT Tetrazolium salt