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Table 6 Logistic regression models predicting 25OHD deficiency in Others, n = 943

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 0.72 (0.18, 2.9) 0.636
T2DM 2.8 (1.3, 6.2) 0.009
Age, for every decade 0.88 (0.79, 0.98) 0.02
Male gender 1.0 (0.74, 1.4) 0.990
October to March season 1.2 (0.89, 1.5) 0.26
Serum calcium, mg/dl 0.64 (0.55, 0.81) <0.001
Vitamin D supplementation 0.67 (0.49, 0.91) 0.012
Bisphosphonate therapy 0.53 (0.34, 0.83) 0.005
Serum creatinine >1.5 mg/dl 1.2 (0.85, 1.7) 0.383
  1. SLE, systemic lupus erythematosus; RA, rheumatoid arthritis; T2DM, type 2 diabetes mellitus; 25OHD, 25hydroxyvitamin D; OR, odds ratio; CI, confidence interval.