X-ray machine | Total filtration (mm Al) | kVp | Predicted output | Measured output | Output ratios |
1 | 3.2 | 60 | 26.16 | 26.10 | 1.00 |
70 | 37.48 | 35.80 | 1.04 | ||
80 | 49.93 | 48.13 | 1.03 | ||
100 | 79.71 | 73.94 | 1.07 | ||
2 | 4.4 | 60 | 19.51 | 21.70 | 0.89 |
70 | 28.91 | 31.04 | 0.93 | ||
80 | 39.88 | 43.75 | 0.91 | ||
100 | 65.47 | 72.95 | 0.89 | ||
3 | 5.5 | 60 | 14.36 | 16.66 | 0.86 |
70 | 22.07 | 25.33 | 0.87 | ||
80 | 31.31 | 35.05 | 0.89 | ||
100 | 53.42 | 59.25 | 0.90 | ||
4 | 3.5 | 60 | 24.58 | 30.16 | 0.81 |
70 | 35.47 | 41.61 | 0.85 | ||
80 | 47.93 | 56,40 | 0.84 | ||
100 | 76.44 | 88.15 | 0.86 | ||
5 | 3 | 60 | 27.90 | 32.94 | 0.84 |
70 | 39.68 | 44.99 | 0.88 | ||
80 | 53.03 | 56.25 | 0.94 | ||
100 | 83.25 | 85.70 | 0.97 |