组别

N

VEGF阳性表达

IGF阳性表达

LIF阳性表达

RIF组

82

40.24% (33/82)

21.95% (18/82)

25.61% (21/82)

对照组

70

17.14% (12/70)

35.71% (25/70)

41.43% (29/70)

X²

9.67

3.53

4.281

P

0.002

0.045

0.029