Patient demographics
| Demographics (n = 92) | All (n = 92) | Stone (n = 31) | No Stone (n = 61) | P Value |
|---|---|---|---|---|
| Mean age (range) (yr) | 50 (20–85) | 50 (20–79) | 49 (20–85) | .76 |
| Sex (M/F) (%) | 43:57 | 48:52 | 41:59 | .52 |
| Referral source (%) | ||||
| H&N | 79.3% (73/92) | 83.9% (26/31) | 77% (47/61) | |
| ED | 15.2% (14/92) | 12.9% (4/31) | 16.4% (10/61) | |
| Other | 5.4% (5/92) | 3.2% (1/31) | 6.6% (4/61) | |
| Stone location (n = 50) | ||||
| Submandibular system | 70% (35/50) | |||
| Gland | 38% (19/50) | |||
| Duct | 32% (16/50) | |||
| Parotid system | 30% (15/50) | |||
| Gland | 24% (12/50) | |||
| Duct | 6% (3/50) |
Note:—H&N indicates head and neck; ED, emergency department.