From: Translation and validation of Sinhala version of modified EORTC QLQ-OH15 in oral cancer patients who receive radiotherapy with or without chemotherapy in Sri Lanka
Scales
Wilcoxon matched paired sign rank test
Z
Significance*
Eating problem
− 4.133
0.0001
Gum and speech problem
− 3.276
0.001
Soreness
− 4.155