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Table 2 The association between virulence factors and C3-dependent internalisation in urine isolates.

From: Synergy between type 1 fimbriae expression and C3 opsonisation increases internalisation of E. coli by human tubular epithelial cells

Bacterial virulence factors

Strains demonstrating C3-dependent internalisation

Strains not demonstrating C3-dependent internalisation

Fischer's exact test

Type 1 fimbriae

7/7 (100%)

2/9 (22.2%)

P = 0.0032*

P fimbriae

1/7 (14.3%)

1/9 (11.1%)

nsd

CNF1

3/7 (42.9%)

3/9 (33.3%)

nsd

Serum resistance

7/7 (100%)

7/9 (77.8%)

nsd

Haemolysin

2/7 (28.6%)

3/9 (33.3%)

nsd

  1. The strength of association between virulence factors and C3-dependent internalisation was determined using Fischer's exact test.