Table 2.
Comparison of radiation exposure time and intensity between groups 1–4.
| Group 1 (N = 100) | Group 2 (N = 100) | Group 3 (N = 100) | Group 4 (N = 100) | P value | |
|---|---|---|---|---|---|
| Exposure time (s) | 19.58 ± 11.31 | 22.06 ± 12.47 | 20.37 ± 11.67 | 19.91 ± 8.76 | .403 |
| Air Kerma (mGy) | 6.64 ± 4.61 | 6.96 ± 5.07 | 6.33 ± 4.45 | 5.80 ± 5.69 | .406 |
| Effective dose without protector (μSv) | 38.23 ± 26.00a | 25.49 ± 21.44b | 35.08 ± 23.77a | 23.40 ± 14.46b | <.001 |
| Effective dose with protector (μSv) | 3.56 ± 2.68a | 2.36 ± 2.05a | 7.90 ± 6.07b | 5.05 ± 3.29c | <.001 |
| Ratio of Effective dose (%) | 9.18 ± 2.78a | 9.56 ± 3.29a | 21.93 ± 4.19b | 21.53 ± 4.30b | <.001 |
Data: mean ± standard deviation or number.
Ratio of effective dose: Effective dose with protector/effective dose without protector.
Small letter: The same letters indicate non-significant differences between groups based on the Bonferroni multiple comparison test.