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Table 4 Algorithm for estimating the risk of CKD using total point values in the best-fit model

From: Risk scores for predicting incident chronic kidney disease among rural Chinese people: a village-based cohort study

Risk factor

Reference value (Wij)

βi

βi (Wij-WiREF)

Pointij = βi (Wij-WiREF)/Ba

Urinary Albumin-to-creatinine ratio

 

0.017

  

  < 5.0

2.68(W1REF)

 

0

0

 5.0–10.0

7.16

 

0.076

1

  > 10.0

15.71

 

0.222

4

SBP (mmHg)

 

0.025

  

  < 120

110(W2REF)

 

0

0

 120–139

130

 

0.500

10

 140–159

150

 

1.000

20

  > 160

170

 

1.500

29

CRP

 

0.027

  

  < 1.0

0.40(W3REF)

 

0

0

 1–3

1.73

 

0.036

1

  > 3.0

4.66

 

0.115

2

Triglycerides

 

0.175

  

  < 1.0

0.77(W4REF)

 

0

0

 1.0–1.7

1.30

 

0.093

2

  > 1.7

2.26

 

0.261

5

Sex

 

0.652

  

 Men

1(W5REF)

 

0

0

 Women

2

 

0.6520

13

Education

 

−0.516

  

 Illiterate

1(W6REF)

 

0

0

 Primary School or more

2

 

−0.5160

−10

Diabetes

 

0.923

  

 NO

0(W7REF)

 

0

0

 YES

1

 

0.9230

18

  1. aB = 3*0.017 = 0.051; CKD Chronic kidney disease, SBP Systolic blood pressure, CRP C-reactive protein