TRIM21 and interstitial lung disease: The finally results showed that older than 60 years (OR = 2.381, 95% IC 1.302–4.355, p < 0.05), longer duration of disease (OR = 1.007, 95% IC 1.003–1.012, p < 0.001), higher TG (OR = 1.652, 95% CI 1.014–2.691, p < 0.05), higher TC (OR = 1.424, 95% CI 1.059–1.915, p < 0.05) and anti-Ro52+ (OR = 1.949, 95% CI 1.167–3.255, p = 0.011) were risk factors for ILD in pSS patients.