Table 2. Correlation between SphK1 expression and clinicopathologic characteristics of ACC patients.

	Ovearall (n = 24)	Sphk1 Staining Low (n = 8)	High (n = 16)	P
Age, y
≥ 50	13	4	9	1.000
< 50	11	4	7
Gender
Female	14	5	11	1.000
Man	10	3	5
Side
Right adrenal	13	3	10	0.390
Left adrenal	11	5	6
Tumor size
≥ 5.0 cm	17	2	15	0.001
< 5.0 cm	7	6	1
ENSAT Stage				0.023
1	5	4	1
2	7	3	4
3	10	1	9
4	2	0	2
Overall survival median (months)	17.5	34.5	14	0.03