Table 2.

Relation between SPARC deep tumor expression and clinic pathological features of retrospective OSCC patients series.

SPARC deep tumour expression	Grading			Anatomical site		Deep invasion		T		N			Age		Sex
	1	2	3	Tongue	Other	<10 mm	>10 mm	T1\2	>T2	0	1	2	<50	>51	F	M
0	9	25	10	21	23	24	20	24	20	20	5	19	2	42	12	32
1	5	10	4	6	12	3	16	11	8	8	6	5	2	19	6	13
2	5	21	10	16	19	17	19	27	9	18	9	9	1	36	6	30
Pearson chi-square	0.8			0.57		0.016		0.152		0.21			0.87		0.38