Title |
Update: Rationale and design of the Sodium Lowering In Dialysate (SoLID) trial: a randomised controlled trial of low versus standard dialysate sodium concentration during hemodialysis for regression of left ventricular mass
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Published in |
BMC Nephrology, August 2015
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DOI | 10.1186/s12882-015-0080-y |
Pubmed ID | |
Authors |
Joanna Leigh Dunlop, Alain Charles Vandal, Janak Rashme de Zoysa, Ruvin Sampath Gabriel, Imad Adbi Haloob, Christopher John Hood, Philip James Matheson, David Owen Ross McGregor, Kannaiyan Samuel Rabindranath, David John Semple, Mark Roger Marshall |
Abstract |
After the publication of our paper Dunlop et al. "Rationale and design of the Sodium Lowering In Dialysate (SoLID) trial: a randomised controlled trial of low versus standard dialysate sodium concentration during hemodialysis for regression of left ventricular mass", we became aware of further data correlating left ventricular (LV) mass index at baseline and their correpsonding mass at 12 months, using cardiac margnetic resonanace imaging (MRI) in patients on hemodialysis. The original published sample size for the SoLID trial of 118 was a conservative estimate, calculated using analysis of covariance and a within person Pearson's correlation for LV mass index of 0.75. New data communicated to the SoLID trial group has resulted in re-calcuation of the sample size, based upon a within person Pearson's correlation of 0.8 but otherwise unchanged assumptions. As a result, the SoLID trial will now recruit 96 participants. |
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