Journal
JOURNAL OF ONCOLOGY PRACTICE
Volume 7, Issue 6, Pages 374-381Publisher
AMER SOC CLINICAL ONCOLOGY
DOI: 10.1200/JOP.2011.000434
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Funding
- NCI NIH HHS [K07 CA138767] Funding Source: Medline
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Purpose: Performance status is prognostic in oncology and palliative care settings. Traditionally clinician rated, it is often inconsistently collected, recorded, and measured, thereby limiting its utility. Patient-reported strategies are increasingly used for routine symptom and quality of life assessment in the clinic, and may be useful for tracking performance status. Methods: Tablet personal computers were used to collect patient-reported reviews of systems via the Patient Care Monitor (PCM) v2.0 for 86 patients with advanced lung cancer. Relevant subscales included the PCM Impaired Performance and Impaired Ambulation scales. Trained nurse clinicians measured performance status using traditional Karnofsky and Eastern Cooperative Oncology Group (ECOG) instruments. Correlation coefficients were used to compare performance status scales, and survival analysis was performed by Cox proportional hazards modeling. Results: All four performance status scales demonstrated excellent internal consistency and convergent validity. Initial KPS and ECOG scores were statistically correlated with survival, whereas PCM scores showed a nonsignificant trend in this
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