@article{ref1,
title="Reliable change estimates for assessing recovery from concussion using the ANAM4 TBI-MIL",
journal="Journal of head trauma rehabilitation",
year="2015",
author="Haran, F. J. and Alphonso, Aimee L. and Creason, Alia and Campbell, Justin S. and Johnson, Dagny and Young, Emily and Tsao, Jack W.",
volume="31",
number="5",
pages="329-338",
abstract="OBJECTIVE: To establish the reliable change parameters for the Automated Neuropsychological Assessment Metrics (ANAM) using a healthy normative sample of active duty service members (SMs) and apply the parameters to sample of recently deployed SMs. <br><br>METHODS: Postdeployment neurocognitive performance was compared in 1893 US Marines with high rates of combat exposure during deployment. Of the sample, 289 SMs had data for 2 predeployment assessments and were used as a normative subsample and 502 SMs had data for predeployment and postdeployment assessments and were used as a deployed subsample. On the basis of self-report, the deployed subsample were further classified as concussed (n = 238) or as nonconcussed controls (n = 264). Reliable change parameters were estimated from the normative sample and applied data for both deployed groups. Postdeployment performance was quantified using a general linear model (2 group × 2 time) multivariate analysis of variance with repeated measures. <br><br>RESULTS: Both deployed groups demonstrated a pattern of meaningful decreases in performance over time. <br><br>CONCLUSIONS: Information from this effort, specifically the reliable change parameters and the base rates of reliable decline, can be used to assist with the identification of postdeployment cognitive issues.<p /> <p>Language: en</p>",
language="en",
issn="0885-9701",
doi="10.1097/HTR.0000000000000172",
url="http://dx.doi.org/10.1097/HTR.0000000000000172"
}