Table 3.
In-vitro antibacterial activity of FP against 181 urinary isolates using E-test and DD and categorization of errors compared with AD method
| Organism | CLSI (%) | EUCAST (%) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||||||
| DD | E-test | DD | E-test | ||||||||||||
|
| |||||||||||||||
| CA | mE | ME VM | E | EA | CA | mE | ME | VME | CA | ME | VME | CA | ME | VME | |
| E. coli (113) | 94.7 | 0.9 | 3.8 | 14.3 | 91.2 | 95.6 | 1.8 | 1.9 | 14.3 | 87.6 | 6.1 | 53.3 | 88.5 | 5.1 | 53.3 |
| Klebsiella pneumoniae (38) | 92.1 | 0 | 8.6 | 0 | 89.5 | 92.1 | 5.3 | 2.9 | 0 | 55.3 | 47.1 | 25 | 94.7 | 5.9 | 25 |
| Other Enterobacterales (8) | 100 | 0 | 0 | 0 | 87.5 | 87.5 | 12.5 | 0 | 0 | 87.5 | 12.5 | 0 | 87.5 | 12.5 | 0 |
| Enterococcus spp. (8) | 75 | 12.5 | 14.3 | 0 | 100 | 100 | 0 | 0 | 0 | 75 | 28.6 | 0 | 87.5 | 14.3 | 0 |
| P. aeruginosa (14) | 100 | 0 | 0 | 0 | 92.9 | 100 | 0 | 0 | 0 | 85.7 | 7.7 | 100 | 85.7 | 7.7 | 100 |
| Total (181) | 93.9 | 1.1 | 4.7 | 9.1 | 91.2 | 95 | 2.8 | 1.8 | 9.1 | 80.1 | 16.3 | 52.4 | 88.9 | 6.3 | 52.4 |
EA: Essential agreement, CA: Categorical agreement, mE: Minor error, ME: Major error, VME: Very major error, DD: Disc diffusion, CLSI: Clinical and Laboratory Standards Institute, EUCAST: European Committee on Antimicrobial Susceptibility Testing