Table 1.

Association of ALDH5A1 expression with the clinicopathologic variables of primary SOC patients (132^b cases).

	ALDH5A1 expression
Variable	low	high	Total	Pa
Age				0.363
≤ 50 years	25	23	48
>50 years	50	33	83b
stage				0.045
I	64	49	113b
II	2	6	8
III	5	1	6
IV	4	0	4
Gradec				0.00439
1	8	19	27
2	7	6	13
3	57	30	87

^aDifferences with P values of less than 0.05 were considered statistically significant.

^b1 case that epithelial cell was not found was not included.

^c5 cases with inclear grade features were not included.