| Study | Reason for exclusion |
|---|---|
| Chang 2004 | Patients did not undergo PCI. |
| Chen 2007 | Intervention period was less than 3 months. |
| Fan 2008 | Intervention period was less than 3 months. |
| Fu 2012 | Intervention period was less than 3 months. |
| Gao 2007 | Not RCT. |
| Guo 2012 | Did not report outcomes listed in inclusion criteria. |
| Han 2009 | Intervention period was less than 3 months. |
| Han 2011 | Intervention period was less than 3 months. |
| Hou 2008 | No full‐text or data available. |
| Jiang 2008 | Intervention was not Tong‐xin‐luo. |
| Kuang 2011 | Did not report outcomes listed in inclusion criteria. |
| Li 2008 | Did not report outcomes listed in inclusion criteria; randomisation not mentioned. |
| Li 2012 | Did not report outcomes listed in inclusion criteria. |
| Liu 2009 | Intervention period was less than 3 months. |
| Lu 2012 | Intervention period was less than 3 months. |
| Ma 2009 | Did not report outcomes listed in inclusion criteria. |
| Qu 2011 | Patients did not undergo PCI. |
| Su 2000 | Patients did not undergo PCI. |
| Tao 2012 | Did not report outcomes listed in inclusion criteria. |
| Tu 2006 | Did not report outcomes listed in inclusion criteria. |
| Wang 2007 | Did not report outcomes listed in inclusion criteria. |
| Wang 2009b | Did not report outcomes listed in inclusion criteria. |
| Wang 2009c | Intervention period was less than 3 months. |
| Wang 2012 | Did not report outcomes listed in inclusion criteria. |
| Xiao 2004 | Patients did not undergo PCI. |
| Xu 2007 | Intervention period was less than 3 months. |
| Xu 2008 | Not RCT, a review. |
| Yang 2009b | Did not report outcomes listed in inclusion criteria. |
| Yang 2010 | Did not report outcomes listed in inclusion criteria; randomisation not mentioned. |
| Yang 2012 | Did not report outcomes listed in inclusion criteria. |
| Zhang 2005 | Intervention period was less than 3 months. |
| Zhang 2006 | Intervention period was less than 3 months. |
| Zhang 2007 | Intervention period was less than 3 months. |
| Zhang 2008 | Patients did not undergo PCI. |
| Zhang 2009b | Patients did not undergo PCI. |
| Zhang 2010 | Didn’t report outcomes listed in inclusion criteria. |
| Zhao 2010 | Intervention period was less than 3 months. |
| Zhao 2011 | Intervention period was less than 3 months. |
Abbreviations
PCI: percutaneous coronary intervention RCT: randomised controlled trial