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Table 2 Logistic Regression model for 25OHD deficiency (n = 3,173)

From: Disease-specific definitions of vitamin D deficiency need to be established in autoimmune and non-autoimmune chronic diseases: a retrospective comparison of three chronic diseases

 

OR (95% CI)

P-value

SLE

1.0

 

RA

1.1 (0.62, 2.1)

0.691

T2DM

2.0 (1.3, 3.1)

0.003

Age (for every decade)

0.83 (0.78, 0.88)

<0.001

Male gender

0.95 (0.79, 1.1)

0.58

Race/Ethnicity

  

   African-American

1.0

 

   Hispanic

0.75 (0.63, 0.90)

0.002

   Other

0.70 (0.58, 0.84)

<0.001

October to March season

1.3 (1.1, 1.5)

0.002

Serum calcium, mg/dl

0.70 (0.63, 0.78)

<0.001

Vitamin D supplementation

0.81 (0.68, 0.96)

0.015

Bisphosphonate therapy

0.59 (0.47, 0.76)

<0.001

Serum creatinine >1.5 mg/dl

1.4 (1.1, 1.7)

0.001

  1. SLE, systemic lupus erythematosus; RA, rheumatoid arthritis; T2DM, type 2 diabetes mellitus; 25OHD, 25hydroxyvitamin D; OR, odds ratio; CI, confidence interval.