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Table 3 Binary logistic regression of LEAD severity indicators in association with nodular calcification and sheet calcification area proportions

From: High relative amount of nodular calcification in femoral plaques is associated with milder lower extremity arterial disease

Category

Nodular calcification

Sheet calcification

OR

95% CI

p

OR

95% CI

p

Fontaine class III, IV

0.975

0.931–1.021

0.285

1.020

0.970–1.072

0.446

a0.965

0.915–1.019

0.201

1.012

0.961–1.067

0.651

b0.948

0.890–1.011

0.101

1.028

0.965–1.095

0.388

TP < 30 mmHg

0.903

0.843–0.967

 < 0.005

1.008

0.949–1.071

0.797

a0.913

0.846–0.985

 < 0.05

1.015

0.948–1.086

0.673

b0.910

0.835–0.992

 < 0.05

0.997

0.92–1.075

0.938

ABI < 0.4

0.925

0.87–0.980

 < 0.01

1.025

0.972–1.080

0.360

a0.927

0.870–0.988

 < 0.05

1.023

0.969–1.079

0.413

b0.912

0.84–0.986

 < 0.05

1.034

0.96–1.109

0.347

Semi-urgent operations

0.914

0.843–0.992

 < 0.05

1.031

0.969–1.096

0.339

a0.904

0.841–0.972

 < 0.01

1.060

0.998–1.126

0.058

b0.882

0.797–0.976

 < 0.05

1.057

0.985–1.135

0.125

  1. Abbreviations: LEAD Lower extremity arterial disease, Nodular calcification Nodular calcification area proportion, Sheet calcification Sheet calcification area proportion, TP toe pressure, ABI Ankle brachial index
  2. aadjusted by gender and age
  3. badjusted by gender, age, BMI, diabetes, hypertension and dyslipidemia