Table 4.

Cochrane Risk of Bias Tools for the Studies Evaluating the Efficacy of Antibiotics in Small Intestinal Bacterial Overgrowth

Study	Random sequence	Allocation concealment	Blinding of participants and personnel	Blinding of outcome assessment	Incomplete outcome	Selective reporting
Pimentel et al,22 2003	Unclear risk	Low risk	Low risk	Low risk	Unclear risk	Unclear risk
D’Incà et al,18 2007	Unclear risk	Unclear risk	Unclear risk	Unclear risk	Low risk	High risk
Ghoshal et al,23 2016	Low risk	Low risk	Low risk	Low risk	Low risk	Unclear risk
Ghoshal et al,19 2018	Low risk	Low risk	Low risk	Low risk	Low risk	High risk
Furnari et al,17 2019	High risk	High risk	High risk	High risk	High risk	Unclear risk