High expression of anti-apoptotic protein Bcl-2 is a good prognostic factor in colorectal cancer: Result of a meta-analysis

Table 3 Bcl-2 expression and clinicopathological features of colorectal cancer

Clinicopathologial features	No. of studies	No. of patients	Pooled OR (95%CI)	P value	Heterogeneity
					I²	P value
Gender (male vs female)	11	1671	1.125 (0.865-1.463)	0.381	30.2%	0.158
Tumor location (colon vs rectum)	8	1361	1.168 (0.922-1.480)	0.199	0%	0.628
tumor grade (1 + 2 vs 3)	12	1454	2.475 (1.307-4.685)	0.005	68.4%	0.000
Ducks' stage (A + B vs C + D)	12	1572	1.630 (1.009-2.632)	0.046	78.1%	0.000