Author

Jin-Feng Zhang

2 papers indexed here

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Open access Oct 2026

Nonlinear Correlation Between Prognostic Nutritional Index and Disease Activity of Rheumatoid Arthritis: A Cross‐Sectional Study

ABSTRACT Background The prognostic nutritional index (PNI) is a composite marker reflecting the nutritional and inflammatory status. Its association with disease activity in rheumatoid arthritis (RA) remains incompletely understood. This study aimed to investigate the relationship between PNI and RA disease activity. M...

Li-Na Leng, Quan-Yi Tang, Ying Li et al. · Immunity, Inflammation and D... · 0 citations

Open access Aug 2026

Association between serum tumor necrosis factor-alpha levels and rheumatoid arthritis-associated interstitial lung disease: a cross-sectional study

Serum TNF-α was associated with RA-ILD in females, exhibiting a nonlinear relationship with a potential inflection point, and the interaction testing did not confirm a statistically significant sex difference, and these findings are exploratory and warrant further prospective validation in larger cohorts.

Xiao-Li Li, Li-Na Leng, Yao-Rong Han et al. · Frontiers in Immunology · 0 citations