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Median and interquartile range (IQR) of IDENTIFY™ reported offsets before beam‐on at non‐zero couch angles.
| Couch angle (°) | Vertical (IQR) mm | Longitudinal (IQR) (mm) | Lateral (IQR) (mm) |
|---|---|---|---|
| 270 | −0.01 (0.47) | −0.03 (0.33) | 0.16 (0.32) |
| 225 | −0.06 (0.17) | 0.21 (0.38) | −0.16 (0.18) |
| 135 | −0.08 (0.16) | 0.19 (0.38) | −0.41 (0.19) |
| 90 | −0.14 (0.20) | 0.05 (0.54) | −0.25 (0.24) |
| 0° (end of treatment) | −0.05 (0.18) | −0.03 (0.35) | −0.01 (0.15) |
