Table 3.

Results of subgroup analyses of Ruminococcaceae

	Studies (n)	SMD	P value (%)	I2 (%)	P value for heterogeneity	95% CI
Population
Chinese	2	−0.895	0.000	0.0	0.752	−1.337 to −0.452
Non-Chinese	2	−0.223	0.216	0.0	0.714	−0.576 to 0.130
Take medication or not
Take medication	3	−0.394	0.019	52.6	0.121	−0.889 to 0.100
Do not take medication	2	−0.665	0.118	22.4	0.256	−1.220 to −0.109

SMD, standardised mean difference.