Table 1.

Basic characteristics of miR-30a related Research on Ovarian Cancer in GEO data set

Study	Ovarian cancer tissue			Normal ovarian tissue			t	p
	Mean	SD	n	Mean	SD	n
GSE47841	10.33	1.62	21	8.97	0.38	9	3.622	0.001
GSE83693	8.2	1.23	16	7.47	0.92	4	−1.11	0.284
GSE53829	23	1.45	45	23.44	0.95	14	1.05	0.301
GSE23383	9.99	0.57	3	8.73	1.94	3	1.08	0.343
Total	SMD(95%CI) = 0.43(−0.33 ~ 1.19),p = 0.264,I2 = 59.9%,p = 0.058