Review Article
Chinese Herbal Medicine Paratherapy for Parkinson's Disease: A Meta-Analysis of 19 Randomized Controlled Trials
Table 2
The included trials scored according to the risk of bias criteria.
| | | A | B | C | D | E | F | G | H | I | J | K | L | Total +/12 | Total −/12 | Total ?/12 |
| | Cui et al. [17] | + | − | − | − | − | ? | ? | ? | + | + | ? | + | 4 | 4 | 4 | | Wang et al. [18] | + | + | − | − | − | ? | ? | ? | ? | ? | + | + | 4 | 3 | 5 | | Wang et al. [19] | ? | − | − | − | − | ? | ? | ? | ? | + | ? | + | 2 | 4 | 6 | | Shen and Yuan [20] | ? | − | − | − | − | ? | ? | ? | + | + | ? | + | 3 | 4 | 5 | | Luo et al. [21] | ? | − | − | − | − | ? | ? | ? | + | + | + | + | 4 | 4 | 4 | | Zheng and Luo [22] | ? | − | − | − | − | ? | ? | ? | + | + | + | + | 4 | 4 | 4 | | Xie et al. [23] | ? | − | − | − | − | ? | ? | ? | ? | + | + | + | 3 | 4 | 5 | | Cheng et al. [24] | ? | − | − | − | − | ? | ? | ? | ? | + | ? | + | 2 | 4 | 6 | | Zhu et al. [25] | ? | − | − | − | − | ? | ? | ? | + | ? | ? | + | 2 | 4 | 6 | | Zhao et al. [26] | + | + | + | + | + | + | ? | + | + | + | + | + | 11 | 0 | 1 | | Kum et al. [27] | + | − | + | + | − | + | + | ? | + | + | + | + | 9 | 2 | 1 | | Yang et al. [28] | + | + | + | + | − | + | + | ? | + | + | + | + | 10 | 1 | 1 | | Yuan et al. [29] | + | + | + | + | − | ? | ? | ? | + | ? | + | + | 7 | 1 | 4 | | Hong [30] | ? | − | − | − | − | ? | ? | ? | ? | + | ? | + | 2 | 4 | 6 | | Fan et al. [31] | − | − | − | − | − | ? | ? | ? | ? | + | + | + | 3 | 5 | 4 | | Dou and Diao [32] | ? | − | − | − | − | ? | ? | ? | ? | + | + | + | 3 | 4 | 4 | | Li et al. [33] | ? | − | − | − | − | ? | ? | ? | + | + | + | + | 4 | 4 | 4 | | Wu et al. [34] | + | − | − | − | − | ? | ? | ? | + | + | + | + | 5 | 4 | 3 | | Pan et al. [35] | + | + | + | + | − | ? | + | ? | + | ? | ? | + | 8 | 0 | 4 |
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A: adequate sequence generation; B: concealment of allocation; C: blinding (patient); D: blinding (investigator); E: blinding (assessor); F: incomplete outcome data addressed (ITT analysis); G: incomplete outcome data addressed (dropouts); H: free of selective reporting; I: similarity at baseline; J: cointerventions constant; K: compliance acceptable; L: similar timing outcome assessments. +: yes, −: no, ?: unclear.
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