Identifying Latent Factors In The Living With Cancer (Lwc) Patient-Reported Outcomes (Pro) Tool For Patients With Advanced Malignancies.

150Background: End-of-Life Care (EOLC) discussions are frequently delayed past the time of usefulness, resulting in cancer patients (pts) receiving aggressive, expensive, non-desired care. The “Living with Cancer” project has developed a 7-item, 5-level Likert scale PRO tool that evaluates, from the pt perspective, their concerns regarding performance status, pain, family/financial burden, and depression during their cancer journey. The instrument was shown to correlate well with the oncologist’s opinion of appropriateness to continue treatment and might be useful as a quality metric in guiding timing of EOLC discussions (J Palliative Med 2016). Methods: The LWC PRO was administered to 1302 pts with advanced malignancies receiving care by Regional Cancer Care Associates (NJ) between Sept 2015 and Aug 2016, with confirmation of life status in Sept 2016. Exploratory factor analysis was conducted on the LWC instrument to identify latent constructs (factors) contributing to the item scores. The data set was d...