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Table 2 Univariate and multivariate logistic regression analyses of factors associated with serum 25-hydroxyvitamin D3 levels deficiency in the 619 patients

From: Influencing factors on serum 25-hydroxyvitamin D3 levels in Japanese chronic hepatitis C patients

 

Univariate

Multivariate

Factors

Category

OR

95 % CI

p value

OR

95 % CI

p value

Gender

Female

2.316

1.667–3.217

5.49 × 10−7

2.290

1.479–3.545

2.03 × 10−4

Age

By 1 year up

1.014

0.999–1.030

0.073

1.038

1.017–1.060

4.30 × 10−4

Fib-4 Index

By 0.1 up

1.076

1.007–1.150

0.031

   

Season

Cold season

1.520

1.092–2.114

0.013

1.586

1.095–2.297

0.015

Hemoglobin

By 1 g/dL down

1.249

1.123–1.387

3.64 × 10−5

1.165

1.009–1.345

0.037

Total-cholesterol

By 1 mg/dL down

1.006

1.001–1.012

0.012

   

Albumin

By 0.1 down

1.898

1.278–2.817

0.001

   

Prothrombin time

By 1 % down

1.011

1.000–1.022

0.042

   
  1. Serum 25-hydroxyvitamin D3 levels of 20 ng/ml or less were defined as vitamin D deficiency. Multivariate analysis was performed with factors associated with serum 25-hydroxyvitamin D3 levels deficiency by univariate analysis (p < 0.10). We defined the cases that serum 25-hydroxyvitamin D3 levels were measured between November and April as cold season