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Number of dose estimates within ± 20% of the applied dose at 4 different doses when different numbers of metaphases analysed based data from 4 laboratories using AFRRI curves. The usefulness of scoring a maximum of 30 dicentrics was only tested for the 4.5 Gy sample.
| Cells | 0.75 Gy | 1.5 Gy | 3.0 Gy | 4.5 Gy | |
|---|---|---|---|---|---|
| AFRRI curves | 20 | 2 | 3 | 4 | 4 |
| 30 | 1 | 2 | 4 | 4 | |
| 50 | 3 | 3 | 4 | 4 | |
| All cells | 4 | 4 | 4 | 4 | |
| 30 dic | 4 | ||||
|
| |||||
| Lab curves | 20 | 3 | 3 | 3 | 4 |
| 30 | 1 | 3 | 3 | 4 | |
| 50 | 1 | 3 | 4 | 4 | |
| All cells | 2 | 3 | 4 | 4 | |
| 30 dic | 4 | ||||
