TABLE 2.
Comparison of commercial methods to reference BMD
| Method | % agreement (95% CI) |
% error category (95% CI) |
||||
|---|---|---|---|---|---|---|
| Evaluable essential | Overall essential | Categorical | Minor error | Major error | Very major error | |
| Vitek 2 | 20.8 (9.2–40.5) | 52.3 (40.3–64.2) | 47.6 (35.7–59.7) | 41.3 (29.9–53.5) | 0 | 11.1 (5.4–21.2) |
| Disk diffusion | NAa | NAa | 57.2 (44.1–69.2) | 33.9 (22.9–47) | 1.8 (0.3–9.4) | 7.1 (2.8–17.0) |
| MicroScan | NAb | NAb | 44.7 (31.4–58.8) | 31.9 (20.4–46.2) | 23.4 (13.6–37.2) | 0 |
a
NA, not applicable as disk diffusion is not an MIC-based method.
b
NA due to the limited number (n = 3) of on-scale results.