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. 2021 Mar 2;28(3):taab028. doi: 10.1093/jtm/taab028

Table 3.

Genotypic and phenotypic resistance among 25 E. coli isolates

Antibiotic resistance profile Phenotypic resistance (%) Genotypic resistance (%) Concordant phenotypic and genotypic resistance (%) Discordant phenotypic or genotypic resistance (%) Cohen’s kappa coefficient
ESBL 11 (44%) 13 (52%) 11 (44%) 2 (8%) 0.73
Fluoroquinolone 8 (32%) 4 (16%) 2 (8%) 6 (24%) 0.15
Tetracycline 11 (44%) 11 (44%) 11 44%) 0 (0%) 1

ESBL, extended spectrum beta-lactamase.