Table 2.

Fisher’s exact test for M-CSF and IL-34 expression

	M-CSF staining		IL-34 staining
	Weak	Strong	Moderate	Strong
Growth rate
Slow	8	2	4	6
Fast	1	9	4	6
Total	9	11	8	12
p value		0.003		0.675
Cystic degeneration
No	7	3	5	5
Yes	2	8	3	7
Total	9	11	8	12
p value		0.035		0.325

Results at p ≤ 0.05 are shown in italics