Skip to main content

Table 5 Survey results regarding the degree of xerostomia at 60 months after RT

From: Clinical observation of submandibular gland transfer for the prevention of xerostomia after radiotherapy for nasopharyngeal carcinoma: a prospective randomized controlled study of 32 cases

Degree of xerostomia Experimental group Control group Z-value P-value
None (G1) 7 (26.9%) 0 (0.0%) 4.423 0.000
Mild (G2) 15 (57.7%) 6 (23.1%)
Moderate (G3) 3 (11.5%) 16 (61.5%)
Severe (G4) 1 (3.9%) 4 (15.4%)