Table 4.
Radiation exposure for the study and the control groups
| Study group | Control group | Reduction | p value | |
|---|---|---|---|---|
| Cumulative DAP (Gy cm2) | 132.9; 146.2 (30.7–588.4) | 395.8; 434.4 (86.2–1469.9) | 66 % | <0.01 |
| Cumulative AK (Gy) | 0.49; 0.52 (0.06–2.35) | 1.16; 1.18 (0.28–3.82) | 61 % | <0.01 |
| DF DAP (Gy cm2) | 47.8; 62.3 (9.4–288.6) | 99.6; 105.2 (28.3–307.4) | 52 % | <0.01 |
| DF DAP/min (Gy cm2/min) | 3.4; 3.7 (1.1–15.3) | 6.4; 5.2 (2.2–12.0) | 47 % | <0.01 |
| Exposure DAP (Gy cm2) | 81.8; 79.8 (10.2–380.1) | 272.6; 397.6 (58.0–1197.1) | 70 % | <0.01 |
| CBCT DAP for 1 CBCT (Gy cm2) | 14.0; 7.3 (4.7–21.2) | 16.5; 12.6 (5.2–22.8) | 15 % | 0.51 |
| Cumulative CBCT DAP (Gy cm2) | 30.5; 36.7 (0.0-103.7) | 44.8; 40.7 (0.0-82.4) | 32 % | 0.19 |
| DSA DAP (Gy cm2) | 48.8; 77.6 (3.0-316.7) | 228.4; 371.2 (42.4-1153.0) | 79 % | <0.01 |
| DSA DAP/min (Gy cm2/min) | 39.9; 42.5 (9.5–192.3) | 244.7; 237.9 (62.2–453.9) | 84 % | <0.01 |
Data represented as median; interquartile range (range)