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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) (%)43:5748:5241:59.52
Referral source (%)
    H&N79.3% (73/92)83.9% (26/31)77% (47/61)
    ED15.2% (14/92)12.9% (4/31)16.4% (10/61)
    Other5.4% (5/92)3.2% (1/31)6.6% (4/61)
Stone location (n = 50)
    Submandibular system70% (35/50)
        Gland38% (19/50)
        Duct32% (16/50)
    Parotid system30% (15/50)
        Gland24% (12/50)
        Duct6% (3/50)
  • Note:—H&N indicates head and neck; ED, emergency department.