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Table 7 Curvilinear coordinates

From: Correlation between the accumulation of skin glycosylation end products and the development of type 2 diabetic peripheral neuropathy

Test variable

Positive if greater than or equal to a

Sensitivity

1-Specificity

Specificity

Youden index

AGEs cumulants

77.65

.731

.291

0.709

0.440

Neuropathy risk score

66.2500

.676

.291

0.709

0.385

  1. Test variable: AGE, neuropathy scores had at least one knot between positive and negative actual status groups. aThe minimum boundary value is the minimum observation and test value minus 1, and the maximum boundary value is the maximum observation and test value plus 1. All other boundary values are the average of two adjacent observational test values