Table 1.

Univariate analysis of association between predictors and histology (n = 191)

VariableBenign (n = 113)Premalignant (n = 43)Malignant (n = 35)Total
Age (y)
    Mean (±SD)52 (±13)56 (±14)58 (±14)54 (±13)
    Median (range)52 (18-78)57 (26-82)56 (24-90)54 (18-90)
Gender, n (%)
    Female36 (31.9)14 (32.6)9 (25.7)59 (30.9)
    Male77 (68.1)29 (67.4)26 (74.3)132 (69.1)
Race, n (%)
    African American28 (24.8)9 (20.9)7 (20.0)44 (23.0)
    Caucasian77 (68.1)32 (74.4)24 (68.6)133 (69.6)
    Other8 (7.1)2 (4.7)4 (11.4)14 (7.3)
Tobacco, n (%)
    Never user37 (32.7)13 (30.2)9 (25.7)59 (30.9)
    Former user20 (17.7)7 (16.3)11 (31.4)38 (19.9)
    Current user56 (49.6)23 (53.5)15 (42.9)94 (49.2)
Ethanol, n (%)
    Never used33 (29.2)11 (25.6)8 (22.9)52 (27.2)
    Used80 (70.8)32 (74.4)27 (77.1)139 (72.8)
Risk classification, n (%)
    Low risk75 (66.4)21 (48.8)0 (0)96 (50.3)
    High risk38 (33.6)21 (48.8)6 (17.1)65 (34.0)
    Cancer0 (0)1 (2.3)29 (82.9)30 (15.7)
EDNRB, n (%)
    Unmethylated88 (77.9)26 (60.5)14 (40.0)128 (67.0)
    Methylated25 (22.1)17 (39.5)21 (60.0)63 (33.0)
KIF1A, n (%)
    Unmethylated84 (74.3)31 (72.1)17 (48.6)132 (69.1)
    Methylated28 (24.8)12 (27.9)18 (51.4)58 (30.4)
    Missing1 (0.9)0 (0)0 (0)1 (0.5)