Table 4.

VEGF overexpression, Apoptosis and smoking association

Subject of study	Variable	No. of cases	Cases shown		Odd ratio	95% CL	P-Value
			Positive No. (%)	Negative No. (%)
VEGF	Non smoking	55	34(61)	21(38)	0.24	0.116- 0.523	P>0.05
	Smoking	70	50(71)	20(29)
Apoptosis	Non smoking	55	22 (37)	33 (60)	2.25	1.03-4.94	P<0.05
	Smoking	70	42(60)	28 (40)