Table 2.

Predictive factors for testicular yolk sac tumor in children.

Variable	OR (95%CI)	P-value
Age (months)	0.973 (0.929–1.02)	0.256
AFP	1.007 (1.001–1.013)	0.031*
Tumor diameter	0.945 (0.8831–1.097)	0.976
Ultrasound blood flow	6.916 (2.116–22.604)	0.001*

CI, confidence interval.

^*P < 0.05.