A simple Chinese risk score model for screening cardiovascular autonomic neuropathy

Xiaoli Ge, Shu-Ming Pan, Fangfang Zeng, Zi-Hui Tang, Ying-Wei Wang, Xiaoli Ge, Shu-Ming Pan, Fangfang Zeng, Zi-Hui Tang, Ying-Wei Wang

Abstract

Background: The purpose of the present study was to develop and evaluate a risk score to predict people at high risk of cardiovascular autonomic dysfunction neuropathy (CAN) in Chinese population.

Methods and materials: A population-based sample of 2,092 individuals aged 30-80 years, without previously diagnosed CAN, was surveyed between 2011 and 2012. All participants underwent short-term HRV test. The risk score was derived from an exploratory set. The risk score was developed by stepwise backward multiple logistic regression. The coefficients from this model were transformed into components of a CAN score. This score was tested in a validation and entire sample.

Results: The final risk score included age, body mass index, hypertension, resting hear rate, items independently and significantly (P<0.05) associated with the presence of previously undiagnosed CAN. The area under the receiver operating curve was 0.726 (95% CI 0.686-0.766) for exploratory set, 0.784 (95% CI 0.749-0.818) for validation set, and 0.756 (95% CI 0.729-0.782) for entire sample. In validation set, at optimal cutoff score of 5 of 10, the risk score system has the sensitivity, specificity, and percentage that needed subsequent testing were 69, 78, and 30%, respectively.

Conclusion: We developed a CAN risk score system based on a set of variables not requiring laboratory tests. The score system is simple fast, inexpensive, noninvasive, and reliable tool that can be applied to early intervention to delay or prevent the disease in China.

Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Figure 1. Receiver operating characteristic curves showed…
Figure 1. Receiver operating characteristic curves showed the performance of each cardiovascular autonomic neuropathy (CAN) risk score (CRS) in predicting prevalence of diabetes in the exploratory, validation and entire cohorts.
The 95% confidence interval (CI) is given in parentheses. AUC - area under the curve.

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Source: PubMed

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