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Table 3 Swallowing function at different time points after partial laryngectomy

From: Investigation of swallowing function and swallowing-related quality of life after partial laryngectomy in Chinese patients with laryngeal carcinoma

TimeNDysphagia (Grade 3–5), n (%)Normal swallowing (Grade 1–2), n (%)
Preoperative 1 d681 (1.5)67 (98.5)
Postoperative 2 weeks6849 (72.1)19 (27.9)
Postoperative 4 weeks6844 (64.7)24 (35.3)
Postoperative 12 weeks6733 (49.3)34 (50.7)
Postoperative 24 weeks6719 (28.4)48 (71.6)
Postoperative 48 weeks678 (11.9)59 (88.1)
  1. P < 0.001, postoperative 2 weeks vs. preoperative 1 d
  2. P = 0.356, postoperative 4 weeks vs. postoperative 2 weeks
  3. P = 0.047, postoperative 12 weeks vs. postoperative 4 weeks
  4. P = 0.022, postoperative 24 weeks vs. postoperative 12 weeks
  5. P = 0.021, postoperative 48 weeks vs. postoperative 24 weeks