| No (%) of indicated type of error compared to BMD result |  | ||
---|---|---|---|---|
System/method (no. of strains tested) | Very major | Major | Minor | Kappa and P values |
BD Phoenix (108) | 0 | 3 (2,8) | 0 | κ = 0.919 P < 0.0001 |
MicroScan WalkAway (112) | 28 (25)a | 0 | 50 (44,6)a | κ = 0.158 P < 0.0001 |
Vitek 2 (111) | 0 | 0 | 8 (7,2) | κ = 0.822 P < 0.0001 |
Etest (112) | 0 | 0 | 2 (1,8) | κ = 0.950 P < 0.0001 |
Disk diffusion (112) | 2 (1,8)a | 3 (2,7) | 0 | κ = 0.870 P < 0.0001 |