Table 1.

Clinical pathologic characteristics

Variable	UBD high expression (n=39)	UBD low expression (n=39)	P
Median age, years (range)	48 (37–69)	51 (34–70)	0.470
Sex, n
Female	39	39
Smoking, n (%)
Yes	5 (12.80)	7 (17.90)	0.530
No	34 (87.20)	32 (82.10)
Alcohol history, n (%)
Yes	7 (8.97)	6 (7.69)	0.760
No	32 (91.03)	33 (92.31)
Tumor stage, n (%)
T1/2	33 (84.60)	36 (92.30)	0.290
T3/4	6 (15.40)	3 (7.70)
Nodal stage, n (%)
N0/1	26 (66.70)	30 (76.90)	0.310
N2/3	13 (33.30)	9 (23.10)
Triple negative,* n (%)
Yes	21 (53.80)	7 (17.90)	0.001
No	18 (46.20)	32 (82.10)
AJCC stage, n (%)
I–II	20 (51.30)	21 (53.80)	0.820
III	19 (48.70)	18 (46.20)
Tumor diameter, n (%)
>5 cm	9 (23.10)	6 (15.40)	0.390
<5 cm	30 (76.90)	33 (84.60)

Note:

^*Results of the analysis (P<0.05) are statistically significant (chi-square test).

Abbreviations: AJCC, American Joint Committee on Cancer; UBD, ubiquitin protein D.