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Author, year | Sample size (T/C) | Age (years) (T/C) | TCM syndrome | Lung function | Course of disease (years) (T/C) | Dropout (T/C) |
|
Zhu et al. 2009 [24] | 37/37 | 63.72 ± 7.52/62.91 ± 8.34 | Lung and kidney qi deficiency | Moderate to severe | ND | Lost to follow-up (n = 5)/lost to follow-up (n = 5) |
Zhang et al. 2013 [29] | 53/54 | 57.38 ± 13.21/61.16 ± 12.93 | Lung and kidney qi deficiency | Mild to severe | 11.28 ± 7.73/10.34 ± 5.92 | Lost to follow-up (n = 1)/lost to follow-up (n = 4) |
Wang and Liu 2013 [30] | 30/30 | 69.1 ± 6.2/67.8 ± 5.7 | Lung and spleen qi deficiency | Moderate to severe | ND | No/No |
Chen et al. 2014 [31] | 30/30 | 58.63 ± 10.37/57.84 ± 11.65 | Lung, spleen and kidney qi deficiency | Moderate to severe | 10.78 ± 5.83/9.33 ± 6.75 | No/No |
Cheng et al. 2014 [32] | 30/32 | 54.3/57.5 | Lung and kidney qi deficiency | Moderate to severe | 3∼26/3∼30 | No/No |
Wang et al. 2014 [33] | 31/32 | 70.43 ± 9. 30/67.33 ± 9.64 | Lung and spleen qi deficiency | ND | ND | Lost to follow-up (n = 1)/lack of compliance (n = 2) |
Zhao et al. 2014 [34] | 45/45 | 57.1 ± 8.5/56.3 ± 7.3 | Lung and spleen qi deficiency, or lung and kidney qi deficiency | Moderate to severe | 7.1 ± 3.2/6.8 ± 3.5 | No/No |
He et al. 2015 [20] | 40/36 | 57.4 ± 10.4/58.6 ± 11.2 | Lung qi deficiency | ND | ND | No/No |
Jiang et al. 2015 [22] | 50/50 | 65.75/62.09 | Lung and kidney qi deficiency | Mild to severe | 15.23/13.92 | No/lost to follow-up (n = 7) |
Wang et al. 2015 [35] | 31/32 | 70.43 ± 9.30/67.33 ± 9.64 | Lung and spleen qi deficiency | ND | ND | Lost to follow-up (n = 1)/lack of compliance (n = 2) |
Wu et al. 2015 [36] | 35/25 | 71.23 ± 6.64/73.39 ± 4.61 | Lung and kidney qi deficiency | ND | ND | No/No |
Mao 2016 [37] | 30/30 | 62.2 ± 7.11/64.1 ± 8.61 | Qi and Yin deficiency of lung and kidney | Mild to severe | 5.3 ± 1.1/5.4 ± 1.5 | No/No |
Zhang et al. 2017 [38] | 60/60 | 67.72 ± 10.16/65.35 ± 10.62 | Lung, spleen, and kidney qi deficiency | Moderate to very severe | ND | No/No |
Zhao and Li 2017 [21] | 39/39 | 55.09 ± 7.88/55.31 ± 7.65 | Lung and spleen qi deficiency | Mild to severe | 3.96 ± 0.52/3.58 ± 0.44 | No/No |
Deng et al. 2017 [39] | 41/39 | 70.04 ± 5.12/70.59 ± 4.83 | Lung and spleen qi deficiency | Mild to severe | 8.23 ± 3.54/8.32 ± 3.02 | No/No |
Luo 2017 [40] | 30/30 | 65.3 ± 9.8/64.9 ± 10.2 | Qi and yin deficiency of lung and kidney | Severe | 12.8 ± 4.7/11.3 ± 5.1 | No/No |
Rong and Ding 2017 [41] | 30/30 | 56.5 ± 6.2/56.1 ± 6.3 | Lung and kidney qi deficiency | Severe to very severe | ND | No/No |
Zhang 2018 [42] | 30/30 | 68.7 ± 8.33/68.84 ± 9.14 | Lung and kidney qi deficiency | Mild to very severe | 10.03 ± 4.88/10.31 ± 4.01 | Lost to follow-up (n = 1)/lost to follow-up (n = 1) |
Xia and Sun 2019 [23] | 30/30 | 66.93 ± 9.11/67.23 ± 8.92 | Lung, spleen, and kidney qi deficiency | Moderate to very severe | 11.03 ± 6.60/11.27 ± 6.63 | No/No |
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