Table 3.

Odds ratios and heterogeneity of 1-year, 2-year and 3-year survival rate

Survival estimate	No. of studies	No. of patients	OR (95%CI)	P-value	Heterogeneity
					I2	P
1-yr SR	9	1481	1.01 (0.78-1.31)	0.93	0%	0.71
2-yr SR	7	1382	1.43 (1.08-1.89)	0.01	0%	0.93
3-yr SR	5	1261	1.48 (1.03-2.13)	0.04	0%	0.44

SR: Survival rate; OR: Odds ratio.