Table 3. Correlations between KPNA2 expression and clinicopathological features of patients with OMGCT.

	OMGCT			Immature teratoma
	KPNA2			KPNA2
Characteristics	Low(n = 48)	High(n = 42)	P * value	Low(n = 30)	High(n = 8)	P * value
Pathologic type
Yolk sac tumor	7	13
Immature teratoma	30	8
Dysgerminoma	2	9
Embryonal carcinoma	1	2
Mixed germ cell tumor	5	5
Mature teratoma with malignant transformation	3	5	0.002
Tumor size
<19 cm	27	25		16	4
≥19 cm	21	17	0.832	14	4	1
Tumor grade
G1				11	0
G2				13	3
G3				6	5	0.031
FIGO stage
I	25	19		13	0
II	6	6		11	3
III–IV	17	17	0.811	6	5	0.025
Recurrence and uncontrolled
No	38	24		25	3
Yes	10	18	0.039	5	5	0.019
Ascitic fluid
Without	28	15		18	3
With	20	27	0.037	12	5	0.426
Cytoreductive surgery
Suboptimal	0	6
Optimal	48	36	0.008	30	8	1
Ascitic fluid cytology
Negative	47	38		29	8
Positive	1	4	0.181	1	0	1
CEA
<5 µg/ml	23	17		11	4
≥5 µg/ml	5	3		2	0
Missing data	20	12	0.703	17	4	1.0
Response to initial chemotherapy
Sensitive	35	24		22	3
Resistant or refractory	6	14		3	5
Missing data	7	4	0.037	5	0	0.01
AFP
<25 µg/ml	20	17		18	4
≥25 µg/ml	20	18		9	4
Missing data	8	7	1	3	0	0.433
HCG
<3 µg/ml	21	17		23	5
≥3 µg/ml	2	11		2	1
Missing data	25	14	0.022	5	2	0.488
SALL4
Low	46	16		30	2
High	2	11	0	0	6	0

^* Two-sided Fisher's exact test.

G1: Well differentiated (Low grade); G2: Moderately differentiated (Intermediate grade); G3: Poor differentiated (High grade).