Table 7.
Interlaboratory comparison of the MICs measured when testing E. coli ATCC® 10536 with polyhexanide.
| MIC (in %) |
Lab 1 | Lab 2 | Lab 3 | Lab 4 | Lab 5 | Lab 6 | Lab 7 | Lab 8 | Lab 9 | Lab 10 | Lab 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥0.064 | 1 | ||||||||||
| 0.032 | |||||||||||
| 0.016 | |||||||||||
| 0.008 | |||||||||||
| 0.004 | |||||||||||
| 0.002 | 4 | ||||||||||
| 0.001 | 1 | 1 | 5 | ||||||||
| 0.0005 | 2 | 2 | 4 | 12 | 1 | 3 | 6 | 11 | |||
| 0.00025 | 11 | 18 | 18 | 12 | 9 | 1 | 7 | 7 | 12 | 10 | 8 |
| 0.000125 | 17 | 10 | 7 | 5 | 16 | 29 | 21 | 22 | 15 | 14 | 1 |
| 0.00006 | 5 | 2 | |||||||||
| 0.00003 | |||||||||||
| ≤0.000015 |
The white area represents the proposed QC range. The gray areas represent the parts of the test range outside the QC range. Values outside this QC range are displayed in red and italics.