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Table 2 Odds ratios for hematuria of baseline variables

From: Association between vitamin D level and hematuria from a dipstick test in a large scale population based study: Korean National Health and nutrition examination survey

Variables OR (95% CI) P
Age (years)
 <  20 1 (reference)  
 20–29 1.14 (0.780–1.651) 0.508
 30–39 1.51 (1.054–2.166) 0.025
 40–49 2.21 (1.550–3.162) <  0.001
 50–59 2.53 (1.776–3.605) <  0.001
 60–69 2.62 (1.835–3.732) <  0.001
 ≥ 70 3.72 (2.604–5.314) <  0.001
Gender
 Male 1 (reference)  
 Female 2.60 (2.390–2.825) <  0.001
Menopausal status
 Pre-menopause 1 (reference)  
 Post-menopause 3.06 (2.782–3.356) <  0.001
Body mass index (kg/m2)
 <  18.5 1 (reference)  
 18.5–22.9 1.04 (0.857–1.271) 0.673
 23.0–24.9 0.94 (0.769–1.157) 0.573
25.0 0.94 (0.771–1.149) 0.551
Alcohol
 (−) 1 (reference)  
 (+) 0.68 (0.629–0.742) <  0.001
Smoking
 None 1 (reference)  
 Former smoker 0.53 (0.470–0.587) <  0.001
 Current smoker 0.62 (0.561–0.689) <  0.001
Hypertension
 None 1 (reference)  
 Prehypertension 0.91 (0.910–1.111) 0.913
 Hypertension 1.20 (1.096–1.311) <  0.001
Diabetes mellitus
 None 1 (reference)  
 Impaired fasting glucose 1.10 (0.996–1.209) 0.061
 Diabetes mellitus 0.67 (0.579–0.777) <  0.001
Cardiovascular disease
 (−) 1 (reference)  
 (+) 1.19 (0.944–1.499) 0.141
Hypercholesterolemia
 (−) 1 (reference)  
 (+) 1.13 (1.020–1.261) 0.020
Anemia
 (−) 1 (reference)  
 (+) 1.57 (1.384–1.778) <  0.001
Estimated GFR (mL/min/1.73 m2)
60.0 1 (reference)  
 30.0–59.9 1.35 (1.117–1.627) 0.002
 <  30.0 1.55 (0.739–3.248) 0.247
Glycosuria
 (−) or trace 1 (reference)  
1+ 0.62 (0.465–0.829) <  0.001
Proteinuria
 (−) or trace 1 (reference)  
1+ 5.12 (3.940–6.663) <  0.001
  1. OR odds ratio, CI confidence interval, GFR glomerular filtration rate