Abstract
The association between interstitial fibrosis and tubular atrophy (IFTA) and the clinical outcomes in diabetic nephropathy (DN) remains unclear. This study is to evaluate the clinical predictors and renal prognosis of IFTA score in patients with DN. 52 cases with DN with renal biopsy were divided into three groups according to IFTA score. The χ(2) test or Fisher's exact test, Mann-Whitney U-test, Kruskal-Wallis H-test and Spearman's correlation analysis were used in this subject. Ordinal regression mode was utilized to evaluate which clinical factors might be the predictors of IFTA score. Compared to IFTA score 1 group, the patients in score 3 were younger and have greatly lower level of eGFR and hemoglobin and higher serum creatinine (p<0.01). A close relationship between the clinical findings and IFTA was observed, such as IFTA with eGFR(r=-0.58, P<0.01), triglyceride(r=-0.29, P=0.04), Hb (r=-0.38, P<0.01), systolic blood pressure (r=0.29, P=0.04) and urinary protein level (r=0.46, P<0.01); in addition, eGFR (OR 0.31 (95%Cl -1.883 to -0.485) p=0.001) showed statistical significance with IFTA. The 5-year renal survival rate was estimated as 100% in IFTA score 0, 88.9% in score 1, 76.9% in score 2, and 20.0% in score 3. Further...Continue Reading
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