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. 2020 Dec 2;8:e10453. doi: 10.7717/peerj.10453

Table 3. The association between phylogenetic groups and adhesin genes of uropathogenic Escherichia coli isolates.

Adhesin genes Phylogenetic group
B2 (n = 122) C (n = 26) E (n = 25) A (n = 10) F (n = 9)
B2 Non-B2 χ2 P-value C Non-C χ2 P-value E Non-E χ2 P-value A Non-A χ2 P-value F Non-F χ2 P-value
fimH Present 116 75 4.166 0.041 24 167 0.009 0.924 22 169 0.554 0.456 10 181 0.935 0.334 6 185 7.935 0.005
Absent 6 11 2 15 3 14 0 17 3 14
pap Present 100 65 1.254 0.263 20 145 0.105 0.746 14 151 9.428 0.002 10 155 2.738 0.098 7 158 0.014 0.907
Absent 22 21 6 37 11 32 0 43 2 41
sfa Present 19 6 3.526 0.060 1 24 1.877 0.171 1 24 1.728 0.189 0 25 1.435 0.231 3 22 4.041 0.044
Absent 103 80 25 158 24 159 10 173 6 177
afa Present 6 10 3.198 0.074 0 16 2.476 0.116 8 8 23.645 0.000 0 16 0.875 0.349 1 15 0.155 0.694
Absent 116 76 26 166 17 175 10 182 8 184
Adhesin genes Phylogenetic group
D (n=6) B1 (n=5) Unassignable (n=3) CladeI (n=1) Clade I or II (n=1)
D Non-D χ 2 P-value B1 Non-B1 χ 2 P-value Unassign Non-unassign χ 2 P-value CladeI Non-cladeI χ 2 P-value CladeI/II Non-cladeI/II χ 2 P-value
fimH Present 5 186 0.594 0.441 5 186 0.456 0.500 2 189 2.567 0.109 1 190 0.089 0.765 0 191 11.290 0.001
Absent 1 16 0 17 1 16 0 17 1 16
pap Present 5 160 0.060 0.806 4 161 0.001 0.970 3 162 0.739 0.373 1 164 0.262 0.609 1 164 0.262 0.609
Absent 1 42 1 42 0 43 0 43 0 43
sfa Present 0 25 0.844 0.358 1 24 0.309 0.579 0 25 0.416 0.519 0 25 0.137 0.711 0 25 0.137 0.711
Absent 6 177 4 179 3 180 1 182 1 182
afa Present 0 16 0.515 0.473 0 16 0.427 0.513 1 15 2.818 0.093 0 16 0.084 0.772 0 16 0.084 0.772
Absent 6 186 5 187 2 190 1 191 1 191