Table 3.

Correlations between Tiam1/Rac1 protein expressions and Clinical stage and the differentiation degree of RCC

Stage	Cases	Tiam1			Rac1
		Pos	Neg	Pos.%	Pos	Neg.	Pos.%
I	13	6	7	46.1%	5	8	38.5%
II	24	19	5	79.1%	18	6	75.0%
III	12	10	2	83.3%	11	1	91.6%
IV	11	11	0	100.0%*	11	0	100.0%*
Degree of Differentiation
High	14	5	9	35.7%	6	8	42.8%
Medium/Low	46	27	19	58.6%*	28	18	60.8%*

^*Fisher exact probability tests return P<0.05, indicating the results are significant.