Table 2 Exposure parameters of the X-ray images
Image number | Tube current–time product [mAs] | Tube voltage [kV] | Entrance dose [%] | Protocol |
|---|---|---|---|---|
1 (reference) | 6.3 | 60 | 100 | A |
2 | 6.3 | 60 | 100 | A |
3 | 5 | 60 | 79 | A |
4 | 4 | 60 | 63 | A |
5 | 3.2 | 60 | 51 | A |
6 | 8 | 60 | 127 | A |
7 | 6.3 | 63 | 139 | A |
8 | 6.3 | 57 | 69 | A |
9 | 6.3 | 55 | 52 | A |
10 | 6.3 | 52 | 32 | A |
11 | 6.3 | 60 | 100 | B |
12 | 6.3 | 60 | 100 | C |