Abstract
The purpose of this study is to use a retrospective cohort of burn patients to evaluate the contribution of oxandrolone on burn care outcomes. Longitudinal clinical data is used to analyze outcomes from a new perspective. Our random-effects longitudinal regression analysis model used temporal clinical data to evaluate oxandrolone’s impact on outcomes (oxandrolone/non-oxandrolone n=50/11, median length of stay [LOS]=42.2/39.3, mean weight (kg)=192.2/207.6, mean initial prealbumin (mg/dL) 10.1/7.5). The resultant predictive models (p<0.001) described how certain factors influence clinically significant outcomes via a robust data analysis method. LOS was predicted and extended by a greater magnitude of 3rd-degree versus 2nd-degree burns (1.01 versus 0.85 additional days for each %TBSA, p<0.001). Weight was decreased by LOS (145.2g lost per day, p<0.001). Oxandrolone improved prealbumin (3.503mg/dL increase, p<0.001) but instead did not influence patient weight (p>0.05) nor LOS (5.27days shortening, p=0.361). Prealbumin over time was also influenced by initial value (0.293mg/dL, p=0.003), LOS (0.072mg/dL increase per additional day, p<0.001), and the presence of inhalation injury (2.652mg/dL decrease if present, p=0.009). Oxandrolone appears to benefit anabolic protein production. It is difficult to isolate the role of oxandrolone on major outcomes due to the concomitant influence of other variables.
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