TABLE 3.
Performance of Vitek-2 AST-GP80 card for Staphylococcus pseudintermedius in comparison to broth microdilution methoda
| Drug | EA (no. [%]) | rs | CA (no. [%]) | κ | VME (no. [%]) | ME (no. [%]) | MiE (no. [%]) |
|---|---|---|---|---|---|---|---|
| OXA | 76/80 (95.00) | 0.97 | 78/80 (97.50) | 0.95 | 0/30 (0.00) | 2/50 (4.00) | 0/80 (0.00) |
| AMC | 80/80 (100.00) | 0.98 | 80/80 (100.00) | 1.00 | 0/20 (0.00) | 0/60 (0.00) | 0/80 (0.00) |
| CEF | 79/80 (98.75) | 0.98 | 79/80 (98.75) | 0.97 | 0/18 (0.00) | 0/60 (0.00) | 1/80 (1.25) |
| GEN | 79/80 (98.75) | 0.94 | 78/80 (97.50) | 0.95 | 1/23 (4.35) | 0/53 (0.00) | 1/80 (1.25) |
| ENR | 79/80 (98.75) | 0.95 | 76/80 (95.00) | 0.88 | 0/24 (0.00) | 0/50 (0.00) | 4/80 (5.00) |
| DOX | 79/80 (98.75) | 0.97 | 78/80 (97.50) | 0.95 | 0/0 (NA) | 0/52 (0.00) | 2/80 (2.50) |
| CLI | 72/80 (90.00) | 0.88 | 72/80 (90.00) | 0.80 | 5/32 (15.63) | 1/46 (2.17) | 2/80 (2.50) |
| ICR | NA | NA | 74/80 (92.50) | 0.76 | 1/13 (7.69) | 5/67 (7.46) | 0/80 (0.00) |
| SXT | 79/80 (98.75) | 0.93 | 80/80 (100.00) | 1.00 | 0/37 (0.00) | 0/43 (0.00) | 0/80 (0.00) |
a
Abbreviations: EA, essential agreement; rs, Spearman’s correlation coefficient; CA, categorical agreement; κ, kappa coefficient; VME, very major error; ME, major error; MiE, minor error; OXA, oxacillin; AMC, amoxicillin/clavulanate); CEF, cephalothin; GEN, gentamicin; ENR, enrofloxacin; DOX, doxycycline; CLI, clindamycin; ICR, inducible clindamycin resistance; SXT, trimethoprim-sulfamethoxazole; NA, not applicable.