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The effect of contact with the air-filled catheter on the detector calibration factor
| Detector \ conditions | no contact with catheter | Contact with front of catheter | Contact with back of catheter |
|---|---|---|---|
| 0.3mm | 1.577 | 1.508 | 1.633 |
| 0.5mm | 1.583 | 1.603 | 1.591 |
| 1.0mm | 1.421 | 1.368 | 1.339 |
