Table 1.

Relationship between nm23 expression and metastasis of HCC

Groups	n	nm23 expression				Positive rate (%)
		-	+	+ +	+ + +
Nonmetastatic	14	2	3	3	6	85
Metastatic	10	6	2	1	1	40a

^aP < 0.05 compared with metastatic group.