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Table 1 Patient characteristics

From: Contribution of submandibular gland and swallowing structure sparing to post-radiation therapy PEG dependence in oropharynx cancer patients treated with split-neck IMRT technique

Characteristic Number (%)
Age at treatment
 Mean 57
 Range 25–73
Concurrent systemic therapy
 Yes 67 (97%)
 No 2 (3%)
Disease subsite
 Tonsil 32 (46%)
 Base of tongue 30 (43%)
 Other/multiple 7 (10%)
AJCC stage
 III 6 (9%)
 IVA 50 (72%)
 IVB 13 (19%)
T stage
 1 5 (7%)
 2 19 (28%)
 3 17 (25%)
 4a 21 (30%)
 4b 7 (10%)
N stage
 0 2 (3%)
 1 7 (10%)
 2a 5 (7%)
 2b 27 (39%)
 2c 23 (33%)
 3 5 (7%)