Review Article
Chinese Herbal Medicine for Postinfectious Cough: A Systematic Review of Randomized Controlled Trials
Table 3
Risk of bias of included studies.
| Study ID | Adequate sequence generation | Random sequence generation (selection bias) | Allocation concealment (selection bias) | Blinding of participants and personnel (performance bias) | Blinding of outcome assessment (detection bias) | Incomplete outcome data (attrition bias) | Selective reporting (reporting bias) | Other bias |
|
Fujimori et al., 2001 [26] | NS | Unclear risk | Unclear risk | Unclear risk | Unclear risk | Low risk | Low risk | High risk |
Irifune et al., 2011 [27] | NS | Unclear risk | Unclear risk | High risk | High risk | Low risk | Unclear risk | Unclear risk | Qin, 2011 [28] | NS | Unclear risk | Unclear risk | Unclear risk | Unclear risk | Low risk | Unclear risk | Unclear risk | Wang, 2011 [29] | NS | Unclear risk | Unclear risk | High risk | High risk | Unclear risk | Unclear risk | Unclear risk | Song, 2012 [30] | Yes | Low risk | Unclear risk | Unclear risk | Unclear risk | Unclear risk | Unclear risk | Unclear risk |
Wu et al., 2011 [31] | Yes | Low risk | Unclear risk | Unclear risk | Unclear risk | Low risk | Unclear risk | Unclear risk |
Zhang et al., 2008 [32] | Yes | Low risk | Low risk | Low risk | Unclear risk | Unclear risk | Low risk | Low risk | Wu, 2011 [33] | Yes | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | An, 2002 [34] | NS | Unclear risk | Unclear risk | High risk | High risk | Unclear risk | Unclear risk | Unclear risk | Jiang, 2013[35] | Yes | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Min, 2011 [36] | Yes | Low risk | Unclear risk | Unclear risk | Unclear risk | Unclear risk | Unclear risk | Unclear risk | Huang, 2009 [37] | No | High risk | High risk | Unclear risk | Unclear risk | Low risk | Unclear risk | Unclear risk |
|
|