After adjustment for baseline age , @-hydroxyvitamin D , SBP and orthostatic fall , the fall in SBP was less in the vitamin D group at @ months -LSB- treatment effect @mmHg , @ % confidence interval ( CI ) @ to @ -RSB- , but repeated-measures analysis showed no significant treatment effect ( @mmHg for systolic fall , @ % CI -@ to @ ; @mmHg for diastolic fall , @ % CI -@ to @ ) .