Table 4 Frequency of biofilm phenotypes in Enterococcus isolates based on the distribution of virulence genes
Genes | Negative | Weak biofilm | Moderate Biofilm | Strong Biofilm | Total of biofilm positive | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
E. faecalis | E. faecium | E. faecalis | E. faecium | E. faecalis | E. faecium | E. faecalis | E. faecium | E. faecalis | E. faecium | ||
No. (%) | No. (%) | No. (%) | No. (%) | No. (%) | |||||||
esp |  +  | 12 (75) | 16 (53.33) | 15 (65.21) | 12 (66.66) | 20 (80) | 5 (55.55) | 15 (75) | 2 (50) | 50 (73.52) | 19 (61.29) |
- | 4 (25) | 14 (46.66) | 8 (34.78) | 6 (33.33) | 5 (20) | 4 (44.44) | 5 (25) | 2 (50) | 18 (26.47) | 12 (38.70) | |
P-value | 1.11 | 0.20 | 0.15 | 0.11 | 0.03 | 0.18 | 0.04 | 0.25 | 0.04 | 0.18 | |
ace |  +  | 3 (18.75) | 0 | 8 (34.78) | 3 (16.66) | 8 (32) | 0 | 7 (35) | 0 | 23 (33.82) | 3 (9.67) |
- | 13 (81.25) | 30 (100) | 15 (65.21) | 15 (83.33) | 17 (68) | 9 (100) | 13 (65) | 4 (100) | 45 (66.17) | 28 (90.32) | |
P-value | 0.03 | SI | 0.94 | 1.21 | 0.98 | SI | 0.46 | SI | 0.48 | 1.44 | |
efaA |  +  | 8 (50) | 6 (20) | 15 (65.21) | 3 (16.66) | 17 (68) | 3 (33.33) | 11 (55) | 0 | 43 (63.23) | 6 (19.35) |
- | 8 (50) | 24 (80) | 8 (34.78) | 15 (83.33) | 8 (32) | 6 (66.66) | 9 (45) | 4 (100) | 25 (36.76) | 25 (80.64) | |
P-value | 0.25 | 0.71 | 0.15 | 1.21 | 0.04 | 0.49 | 0.19 | SIa | 0.16 | 1.10 | |