Yao Z 2001

Methods	Parallel randomised controlled trial
Participants	SETTING: Hospital outpatients and patients recruited from general company check-up; Shugang Hospital, Shanghai, China
	WHO PARTCIPATED: 42 (22 in the intervention group, M/F 8/14; and 20 in the control group M/F 8/12)
	INCLUSION CRITERIA: IGT (WHO 1985)
	EXCLUSION CRITERIA: disorders that interfere with glucose metabolism
	CO-MORBIDITIES: none reported
	CO-MEDICATIONS: none reported
Interventions	INTERVENTION: Tangheng I, 2 bags twice a day for 3 mth splus lifestyle modification (diet & exercise)
	CONTROL: lifestyle modification (diet and exercise) for 3 months
Outcomes	FBG (mmol/L), 2hr-GTT (mmol/L), insulin (ng/mL), BMI, systolic blood pressure (mmHg), diastolic blood pressure (mmHg)
	All outcomes were assessed at baseline and trial completion (3 months)
Study details	DURATION OF INTERVENTION: 3 months
	DURATION OF FOLLOW-UP: 3 months
	RUN-IN PERIOD: none
Publication details	LANGUAGE OF PUBLICATION: Chinese
	COMMERCIAL FUNDING: no
	NON-COMMERCIAL FUNDING: no
	PUBLICATION STATUS (PEER REVIEW JOURNAL): yes
	PUBLICATION STATUS (JOURNAL SUPPLEMENT): no
	PUBLICATION STATUS (ABSTRACT): yes
Stated aim of study	Quote “To observe the intervention on 42 cases of impaired glucose with Tangheng I.”
Notes