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Clinical relevance xerostomia
Quality of life scale
Toxicity grading
P-value
Grade
0
Grade
1
Grade
2
Grade
3-4
Physical functioning
81
82
75
71
P-0.001
Role functioning
74
74
67
67
P=0.044
Emotional functioning
84
80
74
69
P=0.001
Social functioning
88
85
79
64
P<0.001
Global quality of life
73
75
65
55
P<0.001
Fatigue
25
28
36
42
P<0.001
Little effect
Moderate effect
Strong effect