Table 2 Comparison of plasmid presence/absence between ST73 and the other STs studied. *Pearson’s χ2 test with Yates’ continuity correction.

From: Host dependent maintenance of a blaNDM-1-encoding plasmid in clinical Escherichia coli isolates

No. (%) of genomes

ST73

Other STs

p-value*

Plasmids

Presence

210 (69)

1626 (87)

6.3 × 10−15

Absence

95 (31)

251 (13)