Table 8 Contingency table between Phylogroup and number of virulence factors. Chi-square test; p-value = 0.0325
From: Comparative genomics of European avian pathogenic E. Coli (APEC)
| Â | Number of virulence factors | ||||||||||
| Â | Â | 1 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Â | A | 1 | 0 | 0 | 1 | 3 | 1 | 2 | 1 | 0 | 0 |
Phylogroup | A1 | 0 | 1 | 1 | 4 | 2 | 6 | 8 | 3 | 0 | 0 |
| Â | B1 | 0 | 2 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 1 |
| Â | B2 | 0 | 2 | 0 | 6 | 8 | 5 | 15 | 3 | 3 | 0 |
| Â | D | 0 | 0 | 1 | 0 | 4 | 2 | 2 | 0 | 1 | 0 |