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Table 4 Risk of hematuria after stratification by sex and menopausal status

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

  Male Female Pre-menopausal females Post-menopausal females
OR (95% CI)a P OR (95% CI)a P OR (95% CI)a P OR (95% CI)a P
Quartiles
 1st quartile 1 (reference)   1 (reference)   1 (reference)   1 (reference)  
 2nd quartile 1.23 (1.014–1.498) 0.036 1.09 (0.941–1.266) 0.247 0.94 (0.726–1.225) 0.659 1.18 (0.986–1.418) 0.071
 3rd quartile 1.38 (1.121–1.706) 0.002 1.20 (1.035–1.386) 0.015 1.12 (0.875–1.433) 0.369 1.19 (0.991–1.437) 0.062
 4th quartile 1.35 (1.080–1.695) 0.007 1.38 (1.200–1.593) <  0.001 1.15 (0.905–1.460) 0.253 1.58 (1.320–1.892) <  0.001
Vitamin D inadequacy
 Normal 1 (reference)   1 (reference)   1 (reference)   1 (reference)  
 Inadequacy 1.32 (0.915–1.889) 0.139 1.50 (1.127–1.989) 0.005 1.10 (0.597–2.019) 0.764 1.62 (1.177–2.237) 0.003
Vitamin D deficiency
 Normal 1 (reference)   1 (reference)   1 (reference)   1 (reference)  
 Deficiency 1.26 (1.077–1.481) 0.004 1.24 (1.101–1.393) <  0.001 1.15 (0.933–1.419) 0.188 1.29 (1.123–1.491) <  0.001
  1. OR odds ratio, CI confidence interval
  2. aAdjusted for age, alcohol, smoking, diabetes, hypertension, hypercholesterolemia, anemia, chronic kidney disease, glycosuria, and proteinuria