Table 3 Comparative data of radiation CT dose analysis data of the ASIR and non-ASIR groups
Tube current (mA) | CTDI vol (mGy) | DLP (mGy cm) | Test of significance with non-ASIR group | ED (mSv) | Test of significance with non-ASIR group |
|---|---|---|---|---|---|
ASIR (n = 27) | 14.36 ± 3 | 256.7 ± 37.8 | t = 8.66, p = 0.0001* | 1.04 ± 0.1 | t = 13.24, p = 0.001* |
40 mA (n = 7) | 8.9 ± 2.14 | 146.03 ± 12.84 | t = 10.86, p = 0.0001* | 0.63 ± 0.04 | t = 16.1, p = 0.001* |
60 mA (n = 8) | 12.13 ± 2.6 | 208.94 ± 24.9 | t = 9.96, p = 0.0001* | 0.84 ± 0.067 | t = 16.32, p = 0.001* |
80 mA (n = 7) | 16.18 ± 3.09 | 278.58 ± 43.7 | t = 7.55, p = 0.0001* | 1.11 ± 0.09 | t = 13.63, p = 0.001* |
100 mA (n = 5) | 20.22 ± 4.2 | 393.73 ± 71.4 | t = 4.71, p = 0.0008* | 1.57 ± 0.19 | t = 9.07, p = 0.001* |
148 mA (non-ASIR) (n = 14) | 35.61 ± 6.7 | 614.23 ± 112.31 | 3.48 ± 0.45 |