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Table 2 Statistical quantities of the estimated interfraction motion, \({\Delta \text{dist}}_{{\text{CT}}}^{{\text{PRE}}}(\text{ITV},\text{OAR})\), and estimated intrafraction motion, \({\Delta \text{dist}}_{{\text{PRE}}}^{{\text{MID}}}(\text{ITV},\text{OAR})\)

From: Assessing organ at risk position variation and its impact on delivered dose in kidney SABR

OAR Fx n Maximum (mm) Q3 (mm) Q2 (mm) Q1 (mm) Minimum (mm)
Estimated interfraction motion:\({\Delta \text{dist}}_{{\text{CT}}}^{{\text{PRE}}}(\text{ITV},\text{OAR})\)
 SB All 75 20 4 0  − 2  − 18
1 36 20 4 0  − 2  − 18
2 20 17 3 0  − 2  − 18
3 19 16 5.5 1  − 1.5  − 6
 LB All 76 39 2.25 0  − 2  − 19
1 36 26 1 0  − 2  − 19
2 20 24 3.25 0  − 3  − 18
3 20 39 4.25 0  − 2  − 17
 Stomach All 69 96 14 3  − 1  − 9
1 33 93 14 3  − 1  − 8
2 18 95 8.25 3  − 0.75  − 5
3 18 96 18.5 1  − 2  − 9
Estimated intrafraction motion:\({\Delta \text{dist}}_{{\text{PRE}}}^{{\text{MID}}}(\text{ITV},\text{OAR})\)
 SB All 30 17 3 0  − 1  − 18
1 18 17 4.5 0  − 1  − 18
2 5 4 1 0  − 1  − 16
3 7 5 1.5 1  − 1  − 8
 LB All 30 10 2 0  − 0.75  − 4
1 18 10 3.75 0  − 1  − 4
2 5 9 1 0 0 0
3 7 2 2 2 0.5  − 1
 Stomach All 29 28 5 1  − 4  − 31
1 18 28 4.75  − 0.5  − 4  − 31
2 5 5 1 1  − 3  − 8
3 6 6 5.75 3 1  − 11
  1. The maximum, first, second and third quartile, and the minimum of the distributions are shown. Results are in mm