Table 3 Univariate and multivariate logistic regression model to predict higher abdominal aorta calcification group.

From: The association between heart rhythm complexity and the severity of abdominal aorta calcification in peritoneal dialysis patients

Abnormal aorta calcification

Univariate logistic regression

Multivariate logistic regression

 

β (95% C.I)

p value

OR (95% C.I)

p value

Age

1.058 (1.024~1.094)

0.001

  

Sex

1.139 (0.573~2.265)

0.710

  

DM

6.74 (2.51~18.09)

<0.001

  

HTN

1.583 (0.588~4.263)

0.363

  

Glucose, mg/dL

1.023 (1.009~1.038)

0.002

  

HbA1c, %

4.374 (2.339~8.181)

<0.001

3.497 (1.727~7.084)

0.001

PD KT/V

1.479 (0.567~3.854)

0.424

  

Creatinine, mg/dL

0.842 (0.734~0.966)

0.014

  

Ca, mg/dL

0.782 (0.539~1.137)

0.782

  

P, mg/dL

0.927 (0.698~1.233)

0.604

  

TG, mg/dL

1.000 (0.998~1.003)

0.633

  

T-Chol, mg/dL

0.995 (0.988~1.003)

0.224

  

LDL, mg/dL

0.998 (0.989~1.007)

0.696

  

HDL, mg/dL

0.974 (0.944~1.005)

0.099

  

CRP, mg/dL

0.993 (0.842~1.171)

0.934

  

LVEF, %

0.964 (0.933~0.996)

0.027

  

Mean RR

1.002 (1.000~1.005)

0.092

  

SDRR

0.976 (0.959~0.994)

0.009

  

pNN50

1.003 (0.966~1.042)

0.860

  

pNN20

0.991 (0.969~1.014)

0.445

  

VLF

0.998 (0.998~0.999)

<0.001

  

LF

0.998 (0.997~1.000)

0.046

  

HF

1.000 (0.999~1.002)

0.739

  

LF/HF ratio

0.828 (0.709~0.967)

0.017

  

DFAα1

0.021 (0.004~0.109)

<0.001

0.032 (0.005~0.212)

<0.001

DFAα2

0.600 (0.059~6.119)

0.667

  

Slope 1–5

<0.001 (<0.001~0.001)

<0.001

  

Scale 5

0.203 (0.059~0.705)

0.012

  

Area 1–5

0.844 (0.661~1.078)

0.175

  

Area 6–20

0.875 (0.801~0.956)

0.003

  
  1. PD = peritoneal dialysis; TG = triglycerides; T-Chol = total cholesterol; LDL = Low-density lipoprotein; HDL = high-density lipoprotein; CRP = C-reactive protein; LVEF = left ventricular ejection fraction; SDNN = standard deviation of normal RR intervals; pNN20 = percentage of the absolute change in consecutive normal RR interval exceeds 20 ms; pNN50 = percentage of the absolute change in consecutive normal RR interval exceeds 50 ms; VLF = very low frequency; LF = low frequency; HF = high frequency; DFA = detrended fluctuation analyses.