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Table 2 Primary analyses for primary (LV mass) and secondary outcomes

From: The effects of nocturnal hemodialysis compared to conventional hemodialysis on change in left ventricular mass: Rationale and study design of a randomized controlled pilot study

Factor

First Measure

Final Measure

Primary Analysis*

LV mass

Baseline

6 month visit

Comparison of mean change in LV mass for NHD vs control subjects

Blood pressure

Baseline visit – average of 5 and 10 minute readings

6 month visit – average of 5 and 10 minute readings

Comparison of mean change in systolic BP for NHD vs control subjects

Quality of Life

Baseline

6 month visit

Difference in the 6 month and baseline EQ-5D index scores for NHD vs control group – intention to treat, last observation carried forward

Anemia

Mean Hct and Epo administered for two months preceding baseline visit

Mean Hct and Epo administered for the final two months of the study

Mean change in hct/epo ratio for NHD vs control subjects

Mineral Metabolism

Mean Ca*PO4 for two months preceding baseline visit

Mean Ca*PO4 for the final two months of the study

Mean change in Ca*PO4 for NHD vs control subjects

  1. *All randomized subjects with at least one measurement are included.