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Table 6 Evaluation of subjective symptoms 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

Symptoms Experimental group Control group P-value
Day xerostomia 16 (61.5%) 26 (100%) 0.000
Night xerostomia 4 (15.4%) 20 (76.9%) 0.000
Painful mouth and tongue 6 (23.1%) 9 (34.6%) 0.358
Dry, cracking and painful lips 5 (19.2%) 7 (26.9%) 0.510
Regular drinking during the day 17 (65.4%) 26 (100%) 0.003
Regular drinking during the night 1 (3.9%) 4 (15.4%) 0.347
Drinking when eating 4 (15.4%) 20 (76.9%) 0.000
Difficulty speaking 2 (7.7%) 14 (53.8%) 0.000
Difficulty chewing 3 (11.5%) 17 (65.4%) 0.000
Difficulty swallowing 1 (3.8%) 5 (19.2%) 0.193