Table 3 Mean dose differences of worsen errors against the original plan in deep set-up error
From: Variation of heart and lung radiation doses according to setup uncertainty in left breast cancer
Heart | Left ventricle | Left anterior descending artery | Lung, Ipsilateral | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean difference | P value | 95% CI | Mean difference | P value | 95% CI | Mean difference | P value | 95% CI | Mean difference | P value | 95% CI | |
Deep inspiration breath hold (N = 15) | ||||||||||||
2.5 mm | − 0.45 | 0.512 | − 1.81/0.91 | − 0.79 | 0.586 | − 3.64/2.07 | − 4.37 | 0.354 | − 13.70/4.95 | − 1.05 | 0.037 | − 2.04/− 0.07 |
5 mm | − 0.95 | 0.167 | − 2.31/0.40 | − 1.73 | 0.232 | − 4.59 /1.12 | − 9.08 | 0.056 | − 18.41/0.24 | − 2.12 | 0.000 | − 3.11/− 1.14 |
7.5 mm | − 1.56 | 0.025 | − 2.92/− 0.20 | − 2.87 | 0.049 | − 5.72/− 0.01 | − 13.58 | 0.005 | − 22.91/− 4.25 | − 3.25 | 0.000 | − 4.24/− 2.26 |
10 mm | − 2.25 | 0.001 | − 3.61/− 0.90 | − 4.17 | 0.005 | − 7.02/− 1.31 | − 17.30 | 0.000 | − 26.62/− 7.97 | − 4.38 | 0.000 | − 5.37/− 3.39 |
12.5 mm | − 3.03 | 0.000 | − 4.38/− 1.67 | − 5.60 | 0.000 | − 8.46/− 2.75 | − 20.20 | 0.000 | − 29.52/− 10.87 | − 5.52 | 0.000 | − 6.51/− 4.53 |
15 mm | − 3.89 | 0.000 | − 5.25/− 2.53 | − 7.17 | 0.000 | − 10.02/− 4.31 | − 22.87 | 0.000 | − 32.20/− 13.54 | − 6.65 | 0.000 | − 7.64/− 5.67 |
Free breath (N = 15) | ||||||||||||
2.5 mm | − 0.79 | 0.234 | − 2.11/0.52 | − 1.41 | 0.167 | − 3.42/0.60 | − 4.33 | 0.032 | − 8.23/− 0.38 | − 1.11 | 0.067 | − 2.30/0.08 |
5 mm | − 1.69 | 0.012 | − 3.01/− 0.38 | − 3.00 | 0.004 | − 5.01/− 0.99 | − 7.02 | 0.001 | − 10.97/− 3.07 | − 2.27 | 0.000 | − 3.46/− 1.08 |
7.5 mm | − 2.68 | 0.000 | − 3.99/− 1.36 | − 4.69 | 0.000 | − 6.70/− 2.68 | − 8.81 | 0.000 | − 12.76/− 4.86 | − 3.42 | 0.000 | − 4.61/− 2.23 |
10 mm | − 3.74 | 0.000 | − 5.01/− 2.43 | − 6.48 | 0.000 | − 8.49/− 4.47 | − 10.21 | 0.000 | − 14.16/− 6.26 | − 4.60 | 0.000 | − 5.79/− 3.41 |
12.5 mm | − 4.91 | 0.000 | − 6.22/− 3.59 | − 8.37 | 0.000 | − 10.38/− 6.36 | − 11.29 | 0.000 | − 15.24/− 7.34 | − 5.79 | 0.000 | − 6.98/− 4.60 |
15 mm | − 6.12 | 0.000 | − 7.44/− 4.81 | − 10.31 | 0.000 | − 12.32/− 8.30 | − 12.08 | 0.000 | − 16.03/− 8.13 | − 6.97 | 0.000 | − 8.16/− 5.78 |