International Journal of Surgery

The relationship between medication possession index and functional prognosis in patients with rheumatoid arthritis: a national longitudinal cohort study from CHARLS

Figure 1. Kaplan–Meier survival curves for RA patients across MPI quartiles.
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Figure 1. Kaplan–Meier survival curves for RA patients across MPI quartiles.Kaplan–Meier survival curves for RA patients across MPI quartiles.Xia et al.
Cohort study of 2,495 peoplePopulations

Dose-response, declared no competing interests

The paper

Nanchang University

International Journal of Surgery, 16 Mar 2026

doi.org/10.1097/js9.0000000000005048PubMed 42682341