Review Article
The Usefulness of Xuefu Zhuyu Tang for Patients with Angina Pectoris: A Meta-Analysis and Systematic Review
Table 3
The effect of XFZYT for SAP group, outcome = RAS.
| Study ID |
Treatment duration | Response rate, %; (response/) |
Therapeutic gain, % |
NNT |
RR | Experimental | Control |
| Li, 2008 [21] | 4 weeks | 95.0 (38/40) | 70.0 (28/40) | 25.0 | 4.0 | 1.36 | Wang, 2011 [28] | 8 weeks | 95.0 (19/20) | 70.0 (14/20) | 25.0 | 4.0 | 1.36 | Zhao, 2009 [26] | 4 weeks | 90.0 (27/30) | 66.7 (20/30) | 23.3 | 4.3 | 1.35 | Yang, 2010 [18] | 4 weeks | 96.0 (48/50) | 74.0 (37/50) | 22.0 | 4.5 | 1.30 | Pooled RR | ā | 94.3 (132/140) | 70.7 (99/140) | 23.6 | 4.2 | 1.33 |
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NNT: number needed to treat; RR: risk ratio.
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