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Table 3 Univariate and multivariate logistic regression analyses of factors associated with ≥30 ng/ml of serum 25-hydroxyvitamin D3 levels 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 Male 3.576 2.205–5.802 2.43 × 10−7 3.400 1.949–5.918 1.60 × 10−5
Body weight (kg) By 1 kg up 1.024 1.008–1.040 0.004    
Fib-4 Index By 0.1 down 0.877 0.788–0.976 0.016    
Season Warm season 1.694 1.104–2.600 0.016 1.765 1.117–2.789 0.015
gamma-GT (U/L) By 1 U/ml up 1.002 1.000–1.005 0.029    
Albumin (mg/dL) By 0.1 up 2.273 1.295–3.989 0.004 2.247 1.163–4.342 0.016
HOMA-R By 0.1 up 0.819 0.668–1.003 0.054    
  1. Multivariate analysis was performed with factors significantly associated with ≥30 ng/ml of serum 25-hydroxyvitamin D3 levels by univariate analysis (p < 0.10). We defined the cases that serum 25-hydroxyvitamin D3 levels were measured between May and October as warm season. gamma-GT gamma-glutamyltaransferase