TABLE 2.
Evaluation of agreement between Sensititre-derived polymyxin B MICs via ARIS automated reads and MICs from agar dilutiona
| Isolate | n | Results for operator A |
Results for operator B |
||||
|---|---|---|---|---|---|---|---|
| n CA (%) |
n mE (%) |
n CA (%) |
n mE (%) |
||||
| False R | False I | False R | False I | ||||
| Enterobacter cloacae complex | 19 | 14 (74) | 0 | 5 (26) | 13 (68) | 0 | 6 (32) |
| Escherichia coli | 20 | 18 (90) | 0 | 2 (2) | 19 (95) | 0 | 1 (5) |
| Klebsiella aerogenes | 4 | 4 (100) | 0 | 0 | 3 (75) | 1 (25) | 0 |
| Klebsiella pneumoniae | 30 | 24 (80) | 0 | 6 (20) | 29 (97) | 1 (3) | 0 |
| Raoultella ornithinolytica | 1 | 0 | 0 | 1 (100) | 1 (100) | 0 | 0 |
| Total Enterobacterales | 74 | 60 (81) | 0 | 14 (19) | 65 (88) | 2 (3) | 7 (9) |
| Acinetobacter baumannii complex | 28 | 28 (100) | 0 | 0 | 28 (100) | 0 | 0 |
| Pseudomonas aeruginosa | 27 | 27 (100) | 0 | 0 | 26 (96) | 1 (4) | 0 |
| Total non-Enterobacterales | 55 | 55 (100) | 0 | 0 | 54 (98) | 1 (2) | 0 |
| Total isolates | 129 | 115 (89) | 0 | 14 (11) | 119 (92) | 3 (2) | 7 (5) |
a
CA, categorical agreement; mE, minor error; false R, false resistance, AD MIC intermediate and Sensititre BMD MIC resistant; false I, false intermediate, AD MIC resistant and Sensititre BMD MIC intermediate.