Bioinformatics Analysis of Prognosis-Related Genes and Expression of CXCL8 in Colorectal Cancer

Table 4

Scoring system of immunohistochemistry.

Mark	0	1	2	3	4
Dyeing intensity	Not stained	Light yellow	Medium brownish yellow	Strong brownish brown
Staining range	<5.0%	5.0%~25.0%	26.0%~50.0%	51.0%~75.0%	>75.0%

(positive and negative product<3).