Development and External Validation of a Nomogram and a Risk Table for Prediction of Type 2 Diabetic Kidney Disease Progression Based on a Retrospective Cohort Study in China

被引:8
作者
Gao, Yue-Ming [1 ]
Feng, Song-Tao [1 ]
Yang, Yang [2 ]
Li, Zuo-Lin [1 ]
Wen, Yi [1 ]
Wang, Bin [1 ]
Lv, Lin-Li [1 ]
Xing, Guo-Lan [2 ]
Liu, Bi-Cheng [1 ]
机构
[1] Southeast Univ, Zhongda Hosp, Inst Nephrol, Sch Med, 87 Dingjiaqiao Rd, Nanjing 210009, Jiangsu, Peoples R China
[2] Zhengzhou Univ, Inst Nephrol, Affiliated Hosp 1, Zhengzhou 450000, Peoples R China
来源
DIABETES METABOLIC SYNDROME AND OBESITY | 2022年 / 15卷
关键词
diabetic kidney disease; type; 2; diabetes; estimated glomerular filtration rate; progression; prediction model; GLOMERULAR-FILTRATION-RATE; NEPHROPATHY; MODEL; PREVALENCE; DECLINE; CKD; OUTCOMES; GFR;
D O I
10.2147/DMSO.S352154
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Purpose: Diabetic kidney disease (DKD) is the leading cause of end-stage renal disease worldwide. Risk assessment provides information about patient prognosis, contributing to the risk stratification of patients and the rational allocation of medical resources. We aimed to develop a model for individualized prediction of renal function decline in patients with type 2 DKD (T2DKD). Patients and Methods: In a retrospective observational study, we followed 307 T2DKD patients and evaluated the determinants of 1) risk of doubling in serum creatinine (Scr), 2) risk of eGFR<15 mL/min/1.73m(2) using potential risk factors at baseline. A prediction model represented by a nomogram and a risk table was developed using Cox regression and externally validated in another cohort with 206 T2DKD patients. The discrimination and calibration of the prediction model were evaluated by the concordance index (C-index) and calibration curve, respectively. Results: Four predictors were selected to establish the final model: Scr, urinary albumin/creatinine ratio, plasma albumin, and insulin treatment. The nomogram achieved satisfactory prediction performance, with a C-index of 0.791 [95% confidence interval (CI) 0.762-0.820] in the derivation cohort and 0.793 (95% CI 0.746-0.840) in the external validation cohort. Then, all predictors were scored according to their weightings. A risk table with the highest score of 11.5 was developed. The C-index of the risk table was 0.764 (95% CI: 0.731-0.797), which was similar to the external validation cohort (0.763; 95% CI: 0.714-0.812). Additionally, the patients were divided into two groups based on the risk table, and significant differences in the probability of outcome events were observed between the high-risk (score >2) and low-risk (score <= 2) groups in the derivation and external validation cohorts (P < 0.001). Conclusion: The nomogram and the risk table using readily available clinical parameters could be new tools for bedside prediction of renal function decline in T2DKD patients.
引用
收藏
页码:799 / 811
页数:13
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