Table 7.
Percentage depth dose
| Depth\diameter a | 1.5 | 2.0 | 2.5 | 3.0 | 4.0 | 5.0 |
|---|---|---|---|---|---|---|
| 50 kV | ||||||
| 0.0 | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| 0.5 | 47.2% | 47.8% | 48.1% | 47.8% | 47.7% | 47.9% |
| 1.0 | 29.5% | 30.6% | 30.8% | 31.3% | 31.3% | 31.9% |
| 2.0 | 14.0% | 14.4% | 15.0% | 15.5% | 15.8% | 16.2% |
| 3.0 | 7.4% | 7.9% | 8.3% | 8.6% | 9.0% | 9.4% |
| 4.0 | 4.3% | 4.5% | 4.7% | 5.0% | 5.3% | 5.7% |
| 70 kV | ||||||
| 0.0 | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| 0.5 | 65.2% | 65.8% | 65.7% | 65.2% | 64.6% | 65.1% |
| 1.0 | 46.5% | 48.0% | 47.8% | 48.6% | 48.3% | 49.3% |
| 2.0 | 25.7% | 26.4% | 27.3% | 27.9% | 28.5% | 29.3% |
| 3.0 | 15.2% | 16.0% | 16.6% | 17.2% | 17.9% | 18.8% |
| 4.0 | 9.5% | 10.0% | 10.4% | 11.0% | 11.6% | 12.4% |
| 100 kV | ||||||
| 0.0 | 100% | 100% | 100% | 100% | 100% | 100% |
| 0.5 | 75% | 75% | 75% | 74% | 74% | 74% |
| 1.0 | 58% | 60% | 59% | 60% | 60% | 61% |
| 2.0 | 36% | 37% | 38% | 39% | 40% | 41% |
| 3.0 | 23% | 24% | 25% | 26% | 27% | 29% |
| 4.0 | 16% | 16% | 17% | 18% | 19% | 20% |
a
In cm.