TABLE 1.
Interlaboratory variation in minor errors and agreement within 1 log2 dilution of E test performed on SB-MHA and HB-MHA compared with BMD
| Country | No. of isolates tested | No. (%) of isolates showing:
|
|||
|---|---|---|---|---|---|
| Minor interpretative errors
|
Agreement within 1 log2 dilution
|
||||
| SB-MHA | HB-MHA | SB-MHA | HB-MHA | ||
| A | 122 | 5 (4.1) | 3 (2.4) | 95 (77.9) | 115 (94.3) |
| B | 244 | 34 (13.9) | 29 (11.9) | 138 (56.6) | 159 (65.2) |
| C | 107 | 46 (43.0) | 40 (37.4) | 53 (49.5) | 52 (48.6) |
| D | 150 | 15 (10.0) | 14 (9.3) | 119 (79.3) | 128 (85.3) |
| E | 120 | 15 (12.5) | 15 (12.5) | 110 (91.7) | 117 (97.5) |
| Total | 743 | 115 (15.5) | 101 (13.6) | 515 (69.3) | 571 (76.9) |