The mean rotational difference betw

T
he mean rotational difference between the BSLS and CBCT registrations were less than 1° for the BSLS ref surface and less than 2° for the CT ref surface. The standard deviation of the rotational difference was about 1–2° (Table II ).
Using the standard deviation of Δ as presented in Table I together with the previously determined standard deviation of dS and dB, the standard deviation of dBS was estimated to be less than 0.2 cm, 0.2 cm and 0.2 cm in the lateral, longitudinal and vertical directions, respectively, for all reference surfaces except the full CTref where dBS was estimated to 0.4 cm in longitudinal and vertical direction.
Discussion and conclusions
Set-up displacements derived from the BSLS system was compared to set-up displacements derived from bone registrations with the CBCT system. The BSLS system verified the position of patients treated in the pelvic region with a radial accuracy of 0.25 cm (0.23–0.28 cm, 95% CI) relative to the CBCT system with the BSLSref method. The BSLS system thereby constitutes a good complement to skin-marks with additional information about pose and supplements the objectiveness of the CBCT system for fractions when no CBCT is acquired or else available.
T
he surface registrations based on BSLSref had less deviation to the CBCT registrations compared to the deviation between surface registrations based on CTref and CBCT registrations. This is congruent with results presented by Moser et al. [16] but not with results presented by Pallotta et al. [27]. It has previously been shown that delineation of patient outline contour from the treatment planning system is critical and may not correspond to the surface detected by the BSLS system thus risking the introduction of a systematic deviation for the CTref method [14,16]. Another important aspect is that the BSLSref method benefits over the CTref method because the BSLSref is corrected according to the CBCT registration, i.e. most of the systematic errors introduced prior to the first treatment fraction are avoided in the BSLSref method. The method of skin-marks-only also benefits over CTref method because skin-marks are redrawn if the systematic deviation, as determined from the first three CBCT registrations, exceeded 0.2 cm.

結果 (中文) 1:

T他意味着贷款和总站登记旋转差别小于 1 ° 为贷款 ref 表面和小于 2 ° 为 CT ref 表面。标准偏差的旋转差分正要 1 – 2 ° (表二)。利用 Δ 所载表我与 dS 和 dB 先前确定的标准偏差的标准偏差，标准偏差的星展银行估计要小于 0.2 厘米、 0.2 厘米和 0.2 厘米的横向、 纵向和垂直的方向，分别为所有参考表面除了充分的 CTref，星展集团被估计到 0.4 厘米的纵向和垂直方向。讨论和结论从贷款系统派生的设置位移被比作来自骨登记与锥束 CT 系统的设置位移。贷款系统验证患者盆腔区域 0.25 厘米径向精度的位置 (0.23-0.28 厘米，95 %ci) 相对于锥束 CT 系统与 BSLSref 方法。贷款系统从而构成好的补充皮肤标记用姿势有关的其他信息和补充的锥束 CT 系统的分数客观性时没有 CBCT 是后天的否则是可用。The surface registrations based on BSLSref had less deviation to the CBCT registrations compared to the deviation between surface registrations based on CTref and CBCT registrations. This is congruent with results presented by Moser et al. [16] but not with results presented by Pallotta et al. [27]. It has previously been shown that delineation of patient outline contour from the treatment planning system is critical and may not correspond to the surface detected by the BSLS system thus risking the introduction of a systematic deviation for the CTref method [14,16]. Another important aspect is that the BSLSref method benefits over the CTref method because the BSLSref is corrected according to the CBCT registration, i.e. most of the systematic errors introduced prior to the first treatment fraction are avoided in the BSLSref method. The method of skin-marks-only also benefits over CTref method because skin-marks are redrawn if the systematic deviation, as determined from the first three CBCT registrations, exceeded 0.2 cm.

結果 (中文) 3:

他说不
旋转差异和CBCT注册楼宇均小于1°的楼宇，参考面和小于2°为CT参考面。的旋转的标准差约为1–2°（表二）。
使用Δ标准偏差作为展示在表我连同先前确定的标准偏差的DS和DB，DBS的标准偏差估计是小于0.2厘米，在0.2厘米和0.2厘米的横向，纵向和垂直方向，分别为参考面，除了全ctref，DBS估计在纵向和垂直方向0.4厘米。
讨论和结论
建立来自楼宇系统的位移相比，设置位移来自骨注册与CBCT系统。楼宇系统验证与径向精度0.25厘米的骨盆区域治疗病人的位置（0.23–0.28厘米，95% CI）相对于CBCT系统与bslsref方法。楼宇系统构成的一个很好的补充皮肤标记的附加信息构成和补充分数的CBCT系统客观的时候没有CBCT获得或其他可用的。
T
他表面bslsref had less偏差登记based on to the CBCT compared to the偏差之间的表面登记登记和基于ctref CBCT登记。这是全等with results presented by Moser等。[ 16 ] but not with results presented by pallotta等。[ 27 ]。先前的研究已表明，从治疗计划系统对病人的轮廓划分是至关重要的，可能没有对应的楼宇系统从而冒着的ctref方法[14,16]系统偏差检测表面的介绍。另一个重要的方面是，bslsref方法的好处在ctref方法因为bslsref校正根据CBCT配准，即大部分系统误差引入第一处理部分之前在bslsref方法避免。皮肤的方法仅仅是因为皮肤也好处ctref方法标志重画如果系统偏差，从第一三CBCT注册决定的，超过0.2厘米。