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Table 3 Logistic regression analysis for the presence or absence of the disease as dependent variable

From: Selected salivary parameters in children with idiopathic nephrotic syndrome: a preliminary study

Salivary parameters (independent variables included into regression model)

Results of bivariate logistic regression for dependent variable presence or absence of the disease

Results of multivariate logistic regression for dependent variable: presence or absence of the disease

b

OR

p

b

OR

P-value

V

− 0.304

0.738

0.730

1.348

0.299

0.366

pH

− 0.628

0.533

0.092

1.832

0.605

0.385

BC

0.121

1.128

0.114

3.148

1.147

0.060

P

0.632

1.882

0.137

8.278

2.114

0.135

Amy

− 0.001

0.999

0.704

2.710

0.997

0.261

SPO

0.499

1.647

0.347

30.662

3.423

0.106

Ca

− 0.079

0.924

0.495

3.540

1.264

0.213

Mg

− 1.449

0.235

0.021*

1.098

0.093

0.013*

iPh

0.046

1.047

0.416

2.512

0.921

0.352

F

− 6.024

0.002

0.009**

1.006

0.006

0.082

U

0.056

1.058

0.001***

2.912

1.069

0.004**

UA

0.441

1.554

0.022*

4.755

1.559

0.127

  1. b logistic regression coefficient, OR odds ratio, V salivary flow rate, BC buffer capacity, P total protein, Amy α-amylase, SPO peroxidase, Ca calcium, Mg magnesium, iPh inorganic phosphate, F fluoride, U urea, UA uric acid, P-value level of statistical significance
  2. *Significant effect at P < 0.05
  3. **Significant effect at P < 0.01
  4. ***Significant effect at P < 0.001