Table 1.

Grading standard for SMP30 level in immunohistochemistry.

Immunohistochemical Grading Standard for SMP30 Expression
SMP30 Intensity (per 200× Field)	Score	SMP30 Positive Cell Ratio (per 200× Field)	Score
Negative	0	<5%	0
Weak	1	5–15%	0.5
Moderate	2	16–25%	1
Strong	3	26–33%	1.5
Intense	4	34–50%	2
		51–66%	2.5
		67–75%	3
		76–100%	4