Research Article
Efficacy and Safety of Traditional Chinese Medicine in Idiopathic Pulmonary Fibrosis: A Meta-Analysis
Table 3
Subgroup analysis of the efficacy of TCM on idiopathic pulmonary fibrosis according to study duration
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| | Measurements | 3 months | 6 months or more | | SMD (95% CI) | | I2 (%) | SMD (95% CI) | | I2 (%) |
| | PO2 | 0.82 (0.50, 1.14) | <0.001 | 84.8 | 0.77 (0.41, 1.14) | <0.001 | 55.0 | | FEV1/FVC | 1.31 (1.04, 1.59) | <0.001 | 45.8 | 0.50 (0.22, 0.78) | <0.001 | 15.1 | | FVC% | 0.50 (0.15, 0.86) | 0.005 | 71.3 | 0.75 (0.58, 0.92) | <0.001 | 0 | | FEV1% | 0.55 (0.32, 0.79) | <0.001 | 33.2 | 0.58 (0.39, 0.76) | <0.001 | 15.9 | | TLC% | 0.25 (0.12, 0.38) | <0.001 | 0 | — | — | — | | DLCO% | 0.33 (0.22, 0.45) | <0.001 | 44.8 | 0.56 (0.34, 0.78) | <0.001 | 0 | | DLCO | 1.23 (1.04, 1.42) | <0.001 | 48.8 | — | — | — | | VC% | 0.34 (0.17, 0.50) | <0.001 | 36.9 | — | — | — | | 6MWD | 0.65 (0.49, 0.81) | <0.001 | 17.0 | 0.92 (0.60, 1.23) | <0.001 | 16.3 | | SGRQ | −0.44 (−0.74, −0.13) | 0.005 | 69.7 | — | — | — |
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Only the subgroups involving at least 3 studies were analyzed; TCM: traditional Chinese medicine. |
