Table 2.

Correlation between TNM classification and expression of SOX9

Characteristics	SOX9		P-value
	Low or none	High
T classification
T1	12	9	0.030
T2	30	23
T3	16	15
T4	10	27
N classification
N0	31	29	0.000
N1	29	15
N2	6	27
N3	2	3
M classification
M0	64	61	0.032
M1	4	13