Table 2.

Cox regression of SALL4 for progression-free survival (PFS) in choriocarcinoma.

Variable	PFS
	HR (95% CI)	P value
Age (year)
<35 vs. ≥35	1.128 (0.986–1.290)	0.079
Risk scores
≤6 vs. >6	1.927 (1.345–2.760)	<0.001
FIGO stages
I–II vs. III–IV	4.296 (1.144–16.135)	0.031
SALL4 expression
Low vs. high	7.045 (1.470–33.763)	0.015