Table 2.

Potential power scenarios, depending on the proportion of events in the two vitamin D groups, when taking potentially varying proportions of hypovitaminosis D in the cohort into account

Potential percentage with any cardiovascular event in the group having vitamin D < 50 nmol/L (%)	Potential percentage with any cardiovascular event in the group having vitamin D ≥ 50 nmol/L (%)	Potential weighting Patients with vitamin Dtotal < 50 nmol/L: Patients with vitamin Dtotal ≥ 50 nmol/L	Power
50	25	1:1	0.912
50	25	2:3	0.902
50	25	3:7	0.865
45	25	1:1	0.760
45	25	2:3	0.749
45	25	3:7	0.701
40	25	1:1	0.526
40	25	2:3	0.520
40	25	3:7	0.480