Deng QW 2003.

Methods	Generation of allocation sequence: not stated. Blinding: not mentioned. Sample size estimation: no information. Withdrawal/drop‐out: unstated.
Participants	Ethnic: Chinese; 160 patients (80 in treatment group, and 80 in control group, data of gender, age, and disease duration not reported). Setting: inpatients. Inclusion criteria: first time diagnosed type 2 diabetes (diagnostic criteria undefined). Exclusion criteria: unstated.
Interventions	Experimental intervention: Xiaoyao San (mixture of 12 herbs) decoction, one dosage daily; for six months. Control intervention: Glibenclamide, initiated from 2.5 mg orally, no details on regimen; for six months.
Outcomes	FBG, PBG, HbA1c, and adverse effects. Outcomes were measured at end of the treatment.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear