Table 4: Values of Ck,PMMA,100 in mGy and standard deviation for adult chest phantoms.
| Phantom | Voltage kV | Position | |||||
| 3 | 6 | 9 | 12 | Central | |||
| Cylindrical | 120 | Value | 7.79 | 7.11 | 7.91 | 10.55 | 4.14 |
| SD | 0.09 | 0.32 | 0.18 | 0.16 | 0.01 | ||
| 135 | Value | 10.72 | 9.25 | 10.43 | 10.97 | 5.75 | |
| SD | 0.49 | 0.01 | 0.02 | 0.27 | 0.01 | ||
| Oblong | 120 | Value | 5.93 | 8.63 | 6.02 | 11.55 | 5.05 |
| SD | 0.10 | 0.28 | 0.13 | 0.26 | 0.10 | ||
| 135 | Value | 8.12 | 11.64 | 8.09 | 13.33 | 7.15 | |
| SD | 0.16 | 0.20 | 0.09 | 0.35 | 0.19 | ||