Table 2.

Protein Expression Intensity Scores of Periostin, Collagen, Elastin, and Acid Mucopolysaccharides in the 30 RCCs

	Periostin				Stroma
	Tumor		Stroma		Collagen		Elastin		Mucopol⁎
Score	n	%	n	%	n	%	n	%	n	%
0	5	16.7	0	0.0	0	0.0	12	40.0	1	3.3
1	21	70.0	1	3.3	8	26.7	10	33.3	14	46.7
2	3	10.0	10	33.3	8	26.7	4	13.3	5	16.7
3	1	3.3	19	63.3	14	46.7	4	13.3	10	33.3
Total	30	100.0	30	100.0	30	100.0	30	100.0	30	100.0

^⁎Alcian blue–positive acid mucopolysaccharides.