Table 1.

Correlation between INHBB expression and clinical classification in OSCCs.

Clinical classification		Results of immunostaining
	Total	INHBB negative	INHBB positive	P value
Age at surgery (years)
<70	48	21	27	0.4138
70<	55	24	31
Gender
Male	58	25	33	0.1007
Female	45	16	29
T-primary tumor
T1	13	4	9
T2	54	22	32
T3	15	4	11
T4	21	8	13
T1+ T2	67	28	39	0.35900
T3+ T4	36	15	21
N-regional lymph node
Negative	60	38	22	0.00041*
Positive	43	9	34
Stage
I	13	3	10
II	41	16	25
III	18	6	12
IV	31	11	20
I +Ⅱ	54	19	35	0.4338
III + IV	49	17	32
Vascular invasion
Negative	71	31	40	0.4380
Positive	32	14	18
Histopathologic type
Well differentiated	64	25	39	0.2906
Moderately differentiated	34	14	20
Poorly differentiated	5	2	3

^*P < 0.05 is significant.