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Table 2 Comparison of the degree of radioactive dermatitis reaction between the two groups (n)

From: Application of red light phototherapy in the treatment of radioactive dermatitis in patients with head and neck cancer

Group Number Grade 0–1 Grade 2 Grade 3 U P
Experimental group 30 18 12 0 4.79 0.000
Control group 30 2 19 9