Table 4 Survey results regarding the degree of xerostomia at 12 months after RT
Degree of xerostomia | Experimental group | Control group | Z-value | P-value |
|---|---|---|---|---|
None (G1) | 8 (25.0%) | 0 (0.0%) | 4.896 | 0.000 |
Mild (G2) | 18 (56.3%) | 6 (18.2%) | ||
Moderate (G3) | 4 (12.5%) | 19 (57.%) | ||
Severe (G4) | 2 (6.2%) | 8 (24.2%) |