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Table 1 Serum 25-hydroxyvitamin D (25OHD) concentrations among nursing home residents

From: Vitamin D deficiency was common among nursing home residents and associated with dementia: a cross sectional study of 545 Swedish nursing home residents

  All residentsa Residents without vitamin D supplementation Residents with vitamin D supplementation
25OHD < 12.5 nmol/L 3.7% (20/545) 4.4% (20/451) 0% (0/94)
25OHD 12.5 to <25 nmol/L 37% (204/545) 44% (198/451) 6.4% (6/94)
25OHD 25 to <50 nmol/L 41% (224/545) 45% (203/451) 22% (21/94)
25OHD 50 to <75 nmol/L 11% (62/545) 4.9% (22/451) 43% (40/94)
25OHD > 75 nmol/L 6.4% (35/545) 1.8% (8/451) 29% (27/94)
  1. aIn total 545 residents: 451 residents without vitamin D supplementation and 94 residents with vitamin D supplementation