. Author manuscript; available in PMC: 2023 May 1.

Published in final edited form as: Oral Surg Oral Med Oral Pathol Oral Radiol. 2022 Jan 31;133(5):539–546. doi: 10.1016/j.oooo.2022.01.016

Table 2:

Clinical Characteristics of the Study Cohort

Characteristic	Number of Subjects (%)
Total Number	538
Tobacco use
Ever Used	300 (55.8%)
Never used	237 (44.1%)
Alcohol use in past 12 months
Yes	362 (67.3%)
No	174 (32.3%)
Don't know	2 (0.4%)
Type of cancer
Squamous Cell Carcinoma	441 (82.0%)
Salivary Gland Cancer	63 (11.7%)
Other	34 (6.3%)
Primary site of Radiation Therapy
Oropharynx	246 (45.7%)
Oral Cavity	76 (14.1%)
Salivary Gland	52 (9.7%)
Larynx/Hypopharynx	37 (6.9%)
Other	127 (23.6%)
Cancer classification
Tumor (T):
T1 or T2	324 (60.2%)
T3 or T4	169 (31.4%)
Metastases (M):
M0	505 (93.9%)
M1	9 (1.7%)
MX	24 (4.5%)
Nodes (N):
N00	130 (24.2%)
N01/02/2a/2b/2c/03	402 (74.7%)