11 August 2021>: Clinical Research
Using the Diaphragm as a Tracking Surrogate in CyberKnife Synchrony Treatment
Guo-quan Li 1A , Jing Yang 1A , Yan Wang 2C , Mengjun Qiu 3B , Zeyu Ding 1D , Sheng Zhang 1E , Sheng-li Yang 1G* , Zhenjun Peng 1F*DOI: 10.12659/MSM.930139
Med Sci Monit 2021; 27:e930139
Table 2 Comparison of Synchrony model quality parameters between Xsight lung tracking/fiducial tracking (XLT/FT) and diaphragm tracking (DT) (N=24).
Parameter | XLT/FT | DT | t | P |
---|---|---|---|---|
dxAB, mm | 0.664±0.535 | 0.497±0.302 | −0.166 | 0.873 |
Uncertainty, % | 22.813±5.721 | 9.384±3.799 | −5.236 | 0.0008 |
AvgStdErr, mm | 1.511±1.007 | 1.767±1.211 | 0.527 | 0.613 |
MAXStdErr, mm | 1.667±1.038 | 1.900±1.225 | 0.485 | 0.641 |
AvgStdErr – average standard error; dxAB – relative distance along the alignment center of the superior-inferior axis in the 2 projections; MAXStdErr – maximum standard error. |