Table. Patient Demographics and Tumor Characteristics.
| Variable | Finding (Nā=ā55)a |
|---|---|
| Sex | |
| Male | 31 (56.4) |
| Female | 24 (43.6) |
| Race | |
| White | 45 (81.8) |
| Black | 3 (5.5) |
| Otherb | 5 (9.1) |
| Unknown | 2 (3.6) |
| Age, mean (SD), y | 48.6 (17.9) |
| Age categories, y | |
| <50 | 26 (47.3) |
| 50-59 | 14 (25.5) |
| 60-69 | 8 (14.5) |
| 70-79 | 3 (5.5) |
| 80-84 | 4 (7.3) |
| Year of diagnosis | |
| 2011 | 1 (1.8) |
| 2012 | 13 (23.6) |
| 2013 | 7 (12.7) |
| 2014 | 17 (30.9) |
| 2015 | 17 (30.9) |
| Primary site | |
| Parotid gland | 42 (76.4) |
| Submandibular gland | 3 (5.5) |
| Major salivary gland, NOS | 10 (18.2) |
| Primary surgery | |
| No primary surgery | 7 (12.7) |
| Local tumor excision | 12 (21.8) |
| Less than total parotidectomy or less than total removal of major salivary gland | 25 (45.5) |
| Total parotidectomy or total removal of major salivary gland | 14 (25.5) |
| Radical parotidectomy or radical removal of major salivary gland | 2 (3.6) |
| Unknown | 1 (1.8) |
| Lymph node surgery | |
| Lymph node biopsy | 1 (1.8) |
| Neck dissection | 34 (61.8) |
| None | 20 (36.4) |
| Lymph node involvement | |
| Negative lymph node | 32 (58.2) |
| Positive lymph node | 3 (5.5) |
| Unknown or lymph node not examined | 20 (36.4) |
| Tumor size, mean (SD), cm | 1.95 (1.01) |
| Tumor size categories, cm | |
| ā¤2 | 31 (56.4) |
| >2-4 | 19 (34.5) |
| >4 | 1 (1.8) |
| Unknown | 4 (7.3) |
| AJCC stage group | |
| I | 25 (45.5) |
| II | 18 (32.7) |
| III | 6 (10.9) |
| IVA | 1 (1.8) |
| Unknown | 5 (9.1) |
| T stage | |
| T1 | 27 (49.1) |
| T2 | 19 (34.5) |
| T3 | 3 (5.5) |
| T4a | 1 (1.8) |
| TX | 5 (9.1) |
| N stage | |
| N0 | 51 (92.7) |
| N1 | 3 (5.5) |
| NX | 1 (1.8) |
| M stage | |
| M0 | 55 (100) |
| M1 | 0 (0) |
| Grade | |
| I, well differentiated | 11 (20.0) |
| II, moderately differentiated | 14 (25.5) |
| Unknown | 30 (54.5) |
| Follow-up, mean (SD), mo | 20.3 (14.9) |
| Alive at follow-up | 55 (100) |
Abbreviations: AJCC, American Joint Committee on Cancer; NOS, not otherwise specified.
a
Data are presented as number (percentage) of patients or cases unless otherwise indicated.
b
American Indian, Alaska Native, Asian, or Pacific Islander.