Intensity of biofilm formation by L. monocytogenes | Number of reisolated L. monocytogenes [log CFU × cm−2] | Number of strains depending on the origin [n (%)] | p valuea | Total n = 96 | |
---|---|---|---|---|---|
Clinical strains n = 58 | Environmental strains n = 38 | ||||
Weak | 4.26–5.29 | 19 (31.0) | 6 (15.8) | 0.011 | 24 (25.0) |
Moderate | 5.30–5.91 | 15 (27.6) | 8 (21.1) | 0.284 | 24 (25.0) |
Strong | 5.92–6.85 | 13 (22.4) | 11 (28.9) | 0.293 | 24 (25.0) |
Very strong | 6.86–7.97 | 11 (19.0) | 13 (34.2) | 0.015 | 24 (25.0) |