Chlorogenic acid in green bean coffee on body weight: a systematic review and meta-analysis of randomized controlled trials

Table 2 The quality of evidence of the randomized controlled trial included for meta-analysis

Outcome	Number of studies	Study design	Quality assessment					Weighted mean difference (95% CI)	Quality
Outcome	Number of studies	Study design	Risk of bias	Inconsistency	Indirectness	Imprecision	Other considerations	Weighted mean difference (95% CI)	Quality
Body weight	3	RCT	Serious^a	Not serious^b	Not serious^c	Serious^d	None^e	− 1.28 (− 2.03; − 0.54)	⊕ ⊕ ◯◯ Low

^aOne trial was high risk of bias. ^bInconsistency explained by I² value as 0%; low heterogeneity. ^cThe intervention and outcome measured were similar in included studies. ^dThe confidence interval includes possible benefit from intervention and comparator approaches. ^eNone: Publication bias is not likely. RCT randomized control trial, CI confidence interval

ISSN: 2046-4053