Table 5. AC012456.4 expression and clinicopathological characteristics of patients with OSCC.

Characteristics	Number of case	AC012456.4 expression		P value
		Decreased number (%)	Non-decreased number (%)
Age (years)				0.082
≥60	186	96(51.61%)	90(48.39%)
<60	143	60(41.96%)	83(58.08%)
Gender				0.745
Female	102	47(46.08%)	55(59.92%)
Male	227	109(48.02%)	118(51.98%)
Alcohol history				0.033
Yes	213	109(51.17%)	104(48.83%)
No	104	40(38.46%)	64(61.54%)
M stage				0,511
M0	119	56(47.06%)	63(52.94%)
M1	39	16(41.03%)	23(58.97%)
T stage				0.075
T1  + T2	128	54(42.19%)	74(57.81%)
T3  + T4	189	99(52.38%)	90(47.62%)
N stage				0.163
N0  + N1	168	87(51.79%)	81(48.21%)
N2  + N3	148	65(43.92%)	83(56.08%)

Notes.

M0

No distant metastasis (no pathologic M0; use clinical M to complete stage group)

M1

Distant metastasis

N0

No regional lymph node metastasis

N1

Metastasis in a single ipsilateral lymph node, 3 cm or less in greatest dimension

N2

Metastasis in a single ipsilateral lymph node, more than 3 cm but not more than 6 cm in greatest dimension; or in multiple ipsilateral lymph nodes, none more than 6 cm in greatest dimension; or in bilateral or contralateral lymph nodes, none more than 6 cm in greatest dimension

N3

Metastasis in a lymph node more than 6 cm in greatest dimension

T1

Tumor 2 cm or less in greatest dimension

T2

Tumor more than 2 cm but not more than 4 cm in greatest dimension

T3

Tumor more than 4 cm in greatest dimension

T4a

Moderately advanced local disease

T4b

T4b Very advanced local disease

Tumor invades masticator space, pterygoid plates, or skull base and/or encases internal carotid artery.