Table 3.

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

	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%

*P < 0.01, significantly different from baseline

**P < 0.05, significantly different from baseline

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.