Table 1. Clinical and pathologic characteristics of patient populations.
| Category | Subcategory | Normal | ACC |
| Patients, n | 25 | 62 | |
| Age in years, median (range) | 56 (39–76) | 56 (17–86) | |
| Sex, n (%) | Male | 15 (60%) | 40 (64.5%) |
| Female | 10 (40%) | 22 (35.5%) | |
| Smoking status, n (%) | No | 9 (36%) | 30 (48.4%) |
| Yes | 13 (52%) | 24 (38.7%) | |
| Unknown | 3 (12%) | 8 (12.9%) | |
| Tumor location, n (%) | Major salivary gland | – | 33 (53.2%) |
| Minor salivary gland | – | 29 (46.8%) | |
| Stage at diagnosis, n (%) | I | – | 5 (8.1%) |
| II | – | 16 (25.8%) | |
| III | – | 12 (19.4%) | |
| IV | – | 18 (29.0%) | |
| Unknown | – | 11 (17.7%) | |
| Perineural invasion, n (%) | Positive | – | 30 (48.4%) |
| Negative | – | 4 (6.5%) | |
| Not recorded | – | 28 (45.2%) | |
| Local recurrence, n (%) | Yes | – | 17 (27.4%) |
| No | – | 41 (66.1%) | |
| Unknown | – | 4 (6.5%) | |
| Regional recurrence, n (%) | Yes | – | 3 (4.8%) |
| No | – | 54 (87.1%) | |
| Unknown | – | 5 (8.1%) | |
| Distant metastasis, n (%) | Yes* | – | 17 (27.4%) |
| No | – | 40 (64.5%) | |
| Unknown | – | 5 (8.1%) | |
| Overall survival in months, median (range) | – | 59.3 (1.0–299.7) |
*
Time to distant metastasis ranged from 9.1–225.7 months, with a median of 48.1 months.