Table 5. Pooled HR and 95% CIs of microRNA 27a rs895819.

Outcome	Model	No. of studies	No. of patients	HR (95% CI)	P-value	Heterogeneity (I2, P-value)
OS	CT vs TT	6	3235	1.133 (0.923, 1.391)	0.232	56.8%, 0.041
	CC vs TT	7	3909	1.296 (1.027, 1.636)	0.029	54.3%, 0.041
	CC + CT vs TT	5	3135	1.176 (0.916, 1.509)	0.204	68.9%, 0.012
	CC vs CT + TT	3	1953	1.220 (0.975, 1.526)	0.082	9.8%, 0.330
RFS	CT vs TT	2	948	1.117 (0.892, 1.400)	0.335	0.0%, 0.891
	CC vs TT	2	948	0.979 (0.762, 1.256)	0.866	0.0%, 0.558
	CC + CT vs TT	2	948	1.091 (0.899, 1.323)	0.380	0.0%, 0.791

OS: overall survival, RFS: recurrence-free survival.