Table 2.

Different stage comparison of FPG before and after ABM-MNC therapy

Items (months)	Test for heterogeneity		Analysis model	Test for overall effect		WMD or SMD	95% CI
	I2 (%)	P		Z	P
3	0	0.99	Fixed	1.40	0.16	0.40	(− 0.16, 0.96)
6	59	0.06	Random	0.91	0.36	0.34	(− 0.39, 1.08)
9	97	< 0.001	Random	0.64	0.52	− 0.62	(− 2.50, 1.27)
12	96	< 0.001	Random	0.98	0.33	− 0.88	(− 2.64, 0.88)