Tang ZA 2012.

Methods	Country: China Setting: outpatients and inpatients Aim: to study the effects of Bushen Qianggu Huoxue therapy in the treatment of postmenopausal osteoporosis Study design: randomised controlled trial Analysis: T‐test Loss to follow‐up: not reported
Participants	Ethnicity: Chinese 82 postmenopausal osteoporosis patients enrolled: 42 in trial group, 40 in control group Inclusion criteria: WHO diagnostic criteria for osteoporosis Exclusion criteria: liver or kidney disease, endocrine disease, metabolic disease, etc.
Interventions	Experimental: Bushen Qianggu Huoxue therapy (1 dose per day), calcium (1000 mg per day) and cod liver oil (1 pill per day), for 3 months Control: calcium (1000 mg per day) and cod liver oil (1 pill per day), for 3 months
Outcomes	BMD, adverse effects
Notes	No funding sources or declarations of interest for the primary researchers reported
Risk of bias
Bias	Authors' judgement	Support for judgement
Adequate sequence generation	Unclear risk	Patients were randomly allocated
Allocation concealment	Unclear risk	No information provided
Blinding All outcomes	Unclear risk	Insufficient information to permit judgement of 'low risk' or 'high risk'
Incomplete outcome data addressed All outcomes	Low risk	No missing outcome data
Free of selective reporting	Unclear risk	Not all the outcomes that were of interest in this review were reported
Free of other bias	Low risk	The study appears to be free of other sources of bias