Abstract
Background
The prevalence of steatotic liver disease (SLD) among patients with rheumatoid arthritis (RA) remains largely unknown.
Aims
To investigate the prevalence of SLD and liver fibrosis among patients with RA.
Methods
We utilized data from the United States (US)-based National Health and Nutrition Examination Survey (NHANES) 2017–2020 cycle. After applying established sample weights, we estimated the age-adjusted prevalence of SLD and its subclassifications (CAP ≥ 285 dB/m), high-risk NASH (FAST score) and liver fibrosis (LSM) among participants with self-reported RA. Multivariable logistic regression was performed to identify independent risk factors for metabolic dysfunction associated SLD (MASLD), high-risk NASH and fibrosis, respectively, among participants with RA. We present adjusted odds ratios (aORs) and 95% confidence intervals (CIs).
Results
Age-adjusted prevalence of MASLD among US adults with RA was 34.91% (95% CI: 24.02–47.65%). We also found that the age-adjusted prevalence of high-risk NASH (FAST score > 0.35) and significant fibrosis (LSM > 8.6 kPa) was 12.97% (95% CI: 6.89–23.07%) and 10.35% (95% CI: 5.55–18.48%), respectively. BMI ≥ 30 kg/m2, (aOR 6.23; 95% CI: 1.95–19.88), diabetes (aOR 5.90; 95% CI: 1.94–17.94), and dyslipidemia (aOR 2.83; 95% CI: 1.12–7.11) were independently associated with higher odds of MASLD among participants with RA. Diabetes (aOR 19.34; 95% CI: 4.69–79.70) was also independently associated with high-risk NASH.
Conclusions
The prevalence of MASLD, high-risk NASH, and liver fibrosis among patients with RA is equal or higher than the general population. Future studies of large cohorts are needed to substantiate the role of systemic inflammation in the pathophysiology of MASLD.
Graphical Abstract
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Abbreviations
- ALD:
-
Alcohol-associated liver disease
- aOR:
-
Adjusted odds ratio
- AST:
-
Aspartate aminotransferase
- BMI:
-
Body mass index
- CAP:
-
Controlled attenuation parameter
- CI:
-
Confidence interval
- DMARDs:
-
Disease-modifying anti-rheumatic drugs
- FAST:
-
FibroScan-AST
- HBsAg:
-
Hepatitis B virus surface antigen
- HCV:
-
Hepatitis C virus
- IL:
-
Interleukin
- IQR:
-
Interquartile range
- JAKi:
-
Janus kinase inhibitor
- LSM:
-
Liver stiffness measurements
- MASLD:
-
Metabolic dysfunction associated steatotic liver disease
- MASH:
-
Metabolic dysfunction associated steatohepatitis
- MetALD:
-
MASLD and increased alcohol intake
- NAFLD:
-
Non-alcoholic fatty liver disease
- NASH:
-
Non-alcoholic steatohepatitis
- NH:
-
Non-Hispanic
- NHANES:
-
Nutrition Examination Survey
- RA:
-
Rheumatoid arthritis
- SLD:
-
Steatotic liver disease
- TNF:
-
Tumor necrosis factor
- US:
-
United States
- VCTE:
-
Vibration controlled transient elastography
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AV, MK, SV, FS, GB, MK, IL, KP, JRW and EM conceptualized and designed the study, and participated in data interpretation. AV, MK and FS prepared tables and figures and performed the statistical analysis. AV and MK drafted the initial manuscript. SV, FS, GB, MK, IL, KP, JRW and EM reviewed and revised the manuscript. All authors read and approved the final manuscript as submitted and agreed to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
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SV, MK, AV, FS, IL, GB, MK, KP, JRW, EM have no conflicts of interest to declare.
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Vassilopoulos, A., Kalligeros, M., Vassilopoulos, S. et al. Prevalence of Steatotic Liver Disease Among US Adults with Rheumatoid Arthritis. Dig Dis Sci 69, 989–1003 (2024). https://doi.org/10.1007/s10620-023-08225-4
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DOI: https://doi.org/10.1007/s10620-023-08225-4