Case 1

Case 2

Case 3

Case 4

Case 5

Case 6

p<0.05

p>0.05

p>0.05

p<0.05

p>0.05

p>0.05

Table 5: P values for all tests done. Case 1: Kruskal-Wallis test among different patients for random dosimetric variations. Case 2: Kruskal-Wallis test among different patients for systematic dosimetric variations. Case 3: Kruskal-Wallis test among two groups of treatment sites for random dosimetric variations. Case 4: Kruskal-Wallis test among two groups of treatment sites for systematic dosimetric variations. Case 5: Kruskal-Wallis test among prostate, lung, and pelvis cancers for both random and systematic dosimetric variations. Case 6: Kruskal-Wallis test among head & neck, and brain cancers for both random and systematic dosimetric variations.