Table 2. Correlation between CKMT1expression and classification in oral squamous cell carcinomas.

	Result of immunostaining: no. of patients (%)					Result of real-time PCR: no. of patients (%)
Clinical classification	Total	CKMT1 (−)	CKMT1 (+)	P-value	Total	CKMT1 (−)	CKMT1 (+)	P-value
Age at surgery (year)
⩽49	12	2(17)	10(83)		6	2(33)	4(67)
50–59	16	9(56)	7(44)	0.208971	13	6(46)	7(54)	0.722219
60–69	12	4(33)	8(67)		13	7(54)	6(46)
70	12	4(33)	8(67)		18	6(33)	12(67)
Gender
Male	31	13(42)	18(48)		32	13(41)	19(59)	1
Female	21	6(29)	15(71)	0.388742	18	8(44)	10(56)
T-primary tumour
T1	4	0(0)	4(100)		5	2(40)	3(60)
T2	26	9(35)	17(65)	0.223836	30	9(30)	21(70)	0.117337
T3	6	4(67)	2(33)		5	3(60)	2(40)
T4	16	6(38)	10(62)		10	7(70)	3(30)
N-regional lymph node
N(−)	38	15(39)	23(61)	0.533534	18	5(28)	13(72)	0.1485
N(+)	14	4(29)	10(71)		32	16(50)	16(50)
Stage
I	4	0(0)	4(100)		2	1(50)	1(50)
II	15	5(33)	10(67)	0.115748	13	3(23)	10(77)	0.213194
III	5	4(80)	1(20)		14	4(29)	9(71)
IV	28	10(36)	18(64)		21	12(57)	9(43)
Histopathologic type
Well differentiated	35	5(14)	30(86)		42	15(36)	27(64)
Modelately differentiated	11	8(73)	3(27)	<0.0001	7	5(71)	2(29)	0.0633215
Poorly differentiated	6	6(100)	0(0)		1	1(100)	0(0)
Tumour site
Gingiva	16	5(31)	11(69)		17	7(41)	10(59)
Tongue	26	10(38)	16(62)		19	6(32)	13(68)
Buccal mucosa	4	0(0)	4(100)	0.298623	7	3(43)	4(57)	0.30294
Oral floor	3	2(67)	1(33)		2	1(50)	1(50)
Oropharyngeal isthmus	3	2(67)	1(33)		2	2(100)	0(0)
Lower lip	—	—	—		2	2(100)	0(0)
Soft palate	—	—	—		1	0(0)	1(100)
Leukoplakias	21	0	21	—	—	—	—	—