Comparison of the severity of oral mucositis
ORAL MUCOSITIS
In the night group, 41 patients reported Grade 1 oral mucositis, 36 ones Grade 2 oral mucositis, and 27 ones Grade 3 oral mucositis during the radiotherapy; the incidence of Grade 2 and 3 oral mucositides was 87.8% (36/41) and 65.9% (27/41), respectively. In the day group, 41 patients reported Grade 1 oral mucositis, 26 ones Grade 2 oral mucositis, and 9 ones Grade 3 oral mucositis during the radiotherapy; the incidence of Grade 2 and 3 oral mucositides was 63.4% (26/41) and 22.0% (9/41), respectively. The incidence of Grade 2 and 3 oral mucositides was lower in the day group than that in the night group, and the differences were statistically significant (Incidence of acute oral mucositis during radiotherapy in the two groups (