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Table 3 Proportion of patients who would have been classified as Vitamin D insufficient or deficient at various time points

From: Acute fluid shifts influence the assessment of serum vitamin D status in critically ill patients

  T1 T2 T3 T4 T5
Vitamin D insufficiency (25(OH)D3 <60 nmol/L) 47% 89%* 68% 53% 47%
Vitamin D deficiency (25(OH)D3 <30 nmol/L) 5% 37%** 11% 11% 6%
  1. *P < 0.01, significantly different from baseline
  2. **P < 0.05, significantly different from baseline
  3. T1 - baseline, T2 - five minutes after onset of cardiopulmonary bypass (CPB) (time of maximal fluid effect), T3 - on return to the intensive care unit, T4 - 24 hrs after surgery, T5 - five days after surgery.