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ISSN 1001-5256 (Print)
ISSN 2097-3497 (Online)
CN 22-1108/R
Volume 42 Issue 6
Jun.  2026
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Article Contents

Association between liver fibrosis staging and colorectal space-occupying lesions in metabolic associated fatty liver disease

DOI: 10.12449/JCH260611
Research funding:

Shandong Provincial Medical Association Clinical Research Fund-Qilu Special Project (YXH2022ZX02113)

More Information
  • Corresponding author: LI Kun, 19223926920@163.com (ORCID: 0009-0000-1252-5187)
  • Received Date: 2025-12-09
  • Accepted Date: 2026-02-12
  • Published Date: 2026-06-25
  •   Objective  To investigate whether there exists an independent association beyond shared risk factors between colorectal space-occupying lesions and metabolic associated fatty liver disease (MAFLD), and to provide new ideas for early identification of colorectal space-occupying lesions in the MAFLD population.  Methods  A retrospective analysis was performed for 12 252 patients who were hospitalized in The First Affiliated Hospital of Shandong First Medical University (Shandong Provincial Qianfoshan Hospital) and underwent both colonoscopy and abdominal imaging (abdominal ultrasound, magnetic resonance imaging, or computed tomography) from September 1, 2018 to August 31, 2023. According to colonoscopy findings, the patients were divided into colorectal space-occupying lesion group with 6 545 patients and non-colorectal space-occupying lesion group with 5 707 patients. Baseline data were compared between the two groups. The univariate and multivariate Logistic regression analyses were used to identify influencing factors for colorectal space-occupying lesions, and further analysis was performed to investigate the association of MAFLD and liver fibrosis (assessed by fibrosis-4 [FIB-4], nonalcoholic fatty liver disease fibrosis score [NFS], and aspartate aminotransferase-to-platelet ratio index) with colorectal space-occupying lesions. The Mann-Whitney U test was used for comparison of continuous data with skewed distribution between groups, and the chi-square test or the Fisher’s exact test was used for comparison of categorical data between groups.  Results  The univariate analysis showed that compared with the non-colorectal space-occupying lesion group, the colorectal space-occupying lesion group had significantly higher age (Z=-95.628, P<0.001), proportion of male patients (χ2=406.910, P<0.001), body weight (Z=-24.928, P<0.001), body mass index (BMI) (Z=-21.367, P<0.001), diastolic blood pressure (Z=-15.527, P<0.001), systolic blood pressure (Z=-16.965, P<0.001), proportion of patients with history of coronary heart disease (χ2 =28.112, P<0.001)/hypertension (χ2 =152.993, P<0.001)/diabetes (χ2 =52.175, P<0.001)/cerebral infarction (χ2 =14.097, P<0.001), white blood cell count (WBC) (Z=-12.801, P<0.001), hemoglobin (HGB) (Z=-19.258, P<0.001), aspartate aminotransferase (Z=-6.673, P=0.001), alanine aminotransferase (Z=-10.375, P<0.001), alkaline phosphatase (Z=-10.496, P<0.001), gamma-glutamyl transpeptidase (GGT) (Z=-18.893, P<0.001), blood urea nitrogen (Z=-13.291, P<0.001), creatinine (Z=-16.798, P<0.001), uric acid (Z=-16.822, P<0.001), triglyceride (Z=-10.186, P<0.001), and fasting blood glucose (Z=-15.761, P<0.001). The multivariate Logistic regression analysis showed that age (odds ratio [OR]=1.052, 95% confidence interval [CI]: 1.045 — 1.057, P<0.001), sex (OR=0.523, 95%CI: 0.466 — 0.587, P<0.001), BMI (OR=1.031, 95%CI: 1.018 — 1.046, P<0.001), history of hypertension (OR=1.140, 95%CI: 1.019 — 1.276, P=0.022), WBC (OR=1.057, 95%CI: 1.028 — 1.087, P<0.001), GGT (OR=1.001, 95%CI: 1.000 — 1.002, P=0.021), Alb (OR=0.982, 95%CI: 0.969 — 0.995, P=0.008), and HGB (OR=1.004, 95%CI: 1.001 — 1.008, P=0.019) were independent influencing factors for colorectal space-occupying lesions. In the MAFLD population, after adjustment for age, sex, BMI, history of hypertension, WBC, HGB, GGT, and Alb, intermediate-to-high risk of advanced liver fibrosis assessed by FIB-4 and NFS was still an influencing factor for colorectal space-occupying lesions (FIB-4: OR=1.457, 95%CI: 1.176 — 1.810, P<0.05; NFS: OR=1.499, 95%CI: 1.244 — 1.809, P<0.05). Liver fibrosis degree based on FIB-4 was not significantly associated with the pathological type, location, size, or number of colorectal space-occupying lesions (all P>0.05). While intermediate-to-high risk of advanced liver fibrosis based on NFS was not associated with pathological type, location, or size, it might be associated with the number of lesions (χ2=9.770, P<0.05).  Conclusion  Age, sex, BMI, history of hypertension, WBC, HGB, GGT, and Alb are independent influencing factors for colorectal space-occupying lesions. Intermediate-to-high risk of advanced liver fibrosis assessed by FIB-4 or NFS is independently associated with colorectal space-occupying lesions, and liver fibrosis assessed by NFS might be associated with the increase in the number of lesions.

     

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