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MPC isocenter size and kV imager offset results before and after the focal spot position adjustment. [mean (mm) ± 1 Standard deviation]
| MPC Parameter | Before adjustment (n = 20) | After adjustment (n = 20) |
|---|---|---|
| Isocenter size | 0.35 ± 0.02 | 0.37 ± 0.02 |
| kV Imager offsett | 0.14 ± 0.03 | 0.22 ± 0.04 |
