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Published on: June 28, 2021
Weak association between the interleukin-8 rs4073 polymorphism and acute pancreatitis: a cumulative meta-analysis
Yening Li1, Jing Bai1, Bing He1
1Cardiovascular Institute of Luohe and Departments of Intense Care Unit (YL), Endocrinology (JB), Arthritis Surgery (BH), Pediatrics (NW) and Cardiology (HW and DL), Luohe Central Hospital, Luohe Medical College, 56# Renmin Ave, Luohe, 462000, People's Republic of China.
Background:
Several studies have been performed to investigate the associations between interleukin (IL)-8 rs4073 polymorphism and acute pancreatitis (AP), but the results are inconclusive. We conducted this cumulative meta-analysis for a precise estimate of the relationship between IL-8 rs4073 polymorphism and acute pancreatitis.
Methods:
We searched the electronic databases for relevant studies. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to evaluate the strength of the associations. For a better presentation of how the pooled ORs changed as updated evidence accumulated, we used forest plots from a cumulative meta-analysis method.
Results:
Ten studies involving 1646 AP patients and 1816 controls were finally included in this meta-analysis. Cumulative meta-analyses indicated there is a consistent trend toward association after the initial discovery. Under the allelic, dominant, recessive and homozygous models, the pooled ORs were 1.265 (1.147-1.395, p < 0.001), 1.304 (1.127-1.508, p < 0.001), 1.431 (1.203-1.702, p < 0.001), and 1.634 (1.334-2.001, p < 0.001), respectively.
Conclusions:
This meta-analysis demonstrated a suggestive result that people who carried the risk A allele of the IL-8 rs4073 polymorphism may be more sensitive to acute pancreatitis.
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