Wang 1995

Methods	Randomized controlled trial Length of follow‐up: not stated
Participants	Number: 55 enrolled children Inclusion criteria: acute diarrhoea < 5 days duration. No age limit or other inclusion criteria stated. Exclusion criteria: not stated Breastfeeding: not stated
Interventions	Intervention group: diosmectite. Dosage 3 g per day in infants < 1 year old, 6 g per day in > 1 year Control: Bismuth complex. Dosage 5 mL, 3 times per day
Outcomes	Clinical resolution at day 5
Notes	Location: China Setting: not clear Cause of diarrhoea: not reported Source of funding: not stated
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	No method of randomization described.
Allocation concealment (selection bias)	Unclear risk	No method described.
Blinding of participants and personnel (performance bias) All outcomes	High risk	Not blinded
Blinding of outcome assessment (detection bias) All outcomes	High risk	Not blinded
Incomplete outcome data (attrition bias) All outcomes	Low risk	No losses to follow‐up
Selective reporting (reporting bias)	Unclear risk	Insufficient information to permit judgement. No protocol registered.
Other bias	Low risk	No other biases detected.