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Table 1 Statistics of variables (in mm) for each patient (i) and for all fractions for X (LR), Y (SI), Z (AP) directions

From: Analysis of inter-fraction setup errors and organ motion by daily kilovoltage cone beam computed tomography in intensity modulated radiotherapy of prostate cancer

  XT XB XT- XB YT YB YT- YB ZT ZB ZT-ZB
Patient: μi σi μi σi μi σi μi σi μi σi μi σi μi σi μi σi μi σi
1 4.1 2.4 4.7 2.2 -0.6 1.6 -2.0 2.0 -0.9 1.8 -1.1 1.6 -0.1 3.7 -1.4 2.2 1.3 2.3
2 4.2 3.4 4.9 2.7 -0.8 1.3 -3.7 3.6 -1.3 1.5 -2.4 3.5 6.2 4.7 9.6 4.2 -3.4 3.0
3 -2.2 2.0 -0.8 1.7 -1.3 1.1 0.5 1.9 0.7 1.4 -0.2 1.9 -4.6 3.1 -4.3 2.9 -0.4 1.2
4 -2.1 1.8 -1.4 1.4 -0.8 1.1 0.6 3.0 -0.5 1.9 1.1 2.6 5.9 4.7 -1.1 3.1 7.0 3.0
5 1.3 2.0 1.5 2.0 -0.2 0.8 0.6 2.3 0.3 1.5 0.3 1.5 0.7 2.3 -1.3 2.1 1.9 1.7
6 -4.0 3.3 -2.4 2.9 -1.6 1.5 0.9 2.2 1.2 1.7 -0.3 1.6 1.3 4.8 -2.1 2.7 3.4 3.9
7 0.9 3.2 1.3 2.9 -0.4 0.7 5.0 2.3 4.7 2.1 0.2 1.0 -3.9 4.6 -5.8 2.7 1.9 3.8
8 -2.4 2.5 -0.8 1.9 -1.6 1.8 -3.8 3.8 -3.5 1.8 -0.3 3.0 13.4 5.7 5.1 3.6 8.3 4.5
9 -3.3 2.8 -2.6 3.0 -0.7 1.1 -4.5 2.6 -0.5 1.7 -4.0 2.7 6.3 4.9 1.7 3.8 4.6 3.2
10 0.3 3.5 0.9 3.5 -0.6 0.6 -0.5 1.6 1.5 1.2 -1.9 1.3 4.0 3.1 2.6 2.8 1.4 1.5
11 5.3 2.4 6.7 2.5 -1.4 1.2 -4.7 2.8 -1.8 3.0 -2.9 1.7 8.5 4.0 8.9 3.5 -0.4 1.8
12 0.3 2.8 0.8 2.6 -0.5 0.8 -2.3 1.9 -1.2 1.3 -1.1 1.8 5.2 3.1 1.0 3.2 4.3 2.2
13 -1.0 1.9 0.4 1.3 -1.3 1.0 -1.9 2.7 0.1 1.5 -2.0 2.5 2.2 3.2 1.8 2.2 0.4 2.0
14 -0.7 3.0 0.7 2.3 -1.4 1.5 0.1 2.0 1.1 1.4 -1.0 1.5 0.0 4.1 -2.6 2.8 2.5 3.0
15 -0.7 1.8 0.7 1.5 -1.4 1.1 0.7 2.1 1.9 2.3 -1.2 1.9 -3.0 5.6 -5.4 5.8 2.4 3.0
16 1.8 1.9 3.8 1.4 -2.0 1.1 -1.8 2.5 -2.9 1.7 1.1 1.8 7.9 2.8 2.4 1.8 5.4 2.1
17 -5.1 3.4 -4.4 3.2 -0.6 1.0 -0.8 1.8 -0.2 1.8 -0.6 1.5 0.2 3.1 -2.2 3.1 2.4 2.0
18 1.6 2.5 2.9 2.0 -1.3 1.3 -2.8 2.1 -0.8 1.4 -1.9 2.0 5.5 4.1 0.6 3.4 4.9 3.3
Errors: M σ M σ M σ M σ M σ M σ M σ M σ M σ
  -0.1 2.6 0.9 2.4 -1.0 1.2 -1.1 2.5 -0.1 1.8 -1.0 2.1 3.2 4.1 0.4 3.2 2.7 2.8
Σ   2.9   2.9   0.5   2.4   1.9   1.3   4.7   4.3   2.8
F * 39.9   50.5   6.2   34.5   42   15.8   48.8   62.5   36.7  
KW-χ2 * 359.9   399.9   98.9   314.5   317.6   206.5   361.9   383.4   330.1  
Levene *   2.2 . 2.6   4.5   2.7   3.5   4.5   3.6   5.2   5.1
  1. *The values shown in the Table for the statistical tests F, KW-χ2 show that all the differences are significant with p < 1% and the Levene test with p < 5%