Chinese herbal medicine for functional dyspepsia: a network meta-analysis of prokinetic-controlled randomised trials

Table 7 Classification of interventions based on network meta-analysis on alleviating global symptoms at 2-week follow-up: domperidone as the comparator

Classification of intervention	CHM formula	Risk difference (95% CI)	Surface under the cumulative ranking curve	Certainty of evidence⁺
Small beneficial effect^†	Cai Hu Shu Gan Powder	0.16 (− 0.06, 0.50)	0.79	Low
Small beneficial effect^†	Wei Kang Ping Decoction	0.16 (− 0.07, 0.49)	0.79	Low
Trivial to no beneficial effect^‡	Tiao Zhong Xiao Pi Decoction	0.06 (− 0.11, 0.29)	0.50	Low
	Wu Mo Decoction	0.06 (− 0.12, 0.30)	0.50	Low
	Ban Xia Xie Xin Decoction	0.02 (− 0.15, 0.26)	0.36	Low
	Qi Zhi Wei Tong Granules	0.01 (− 0.14, 0.22)	0.30	Low

CHM Chinese herbal medicine, CI Confidence interval
^†Small beneficial effect: 0.20 > risk difference ≥ 0.08
^‡Trivial to no beneficial effect: risk difference < 0.08
⁺Quality of evidence ratings for comparisons in network meta-analysis on alleviating global symptoms at 2-week follow-up (domperidone as the comparator). Details refer to Additional file 1: Appendix 5