The Efficacy of Long-Term Chinese Herbal Medicine Use on Lung Cancer Survival Time: A Retrospective Two-Center Cohort Study with Propensity Score Matching

<div>Kaplan–Meier curve of PFS for patients with stages I (a), II (b), III (c), and IV (d) (before PSM).</div>

Evidence-Based Complementary and Alternative Medicine

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Figure 4

Figure 4: The Efficacy of Long-Term Chinese Herbal Medicine Use on Lung Cancer Survival Time: A Retrospective Two-Center Cohort Study with Propensity Score Matching 

Figure 4 | The Efficacy of Long-Term Chinese Herbal Medicine Use on Lung Cancer Survival Time: A Retrospective Two-Center Cohort Study with Propensity Score Matching 