The HIV quality audit marker (HIV-QAM): an outcome measure for hospitalized AIDS patients

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Abstract
The development and validation of the HIV-Quality Audit Marker (HIV-QAM), an instrument designed to measure changes in the status of hospitalized AIDS patients due to nusing care, is reported. The HIV-QAM is designed to capture the nurse data-collector's judgment of the status of the patient based upon observations, interviews, record reviews, and listening to inter-shift report. The final version of the 10 item HIV-QAM includes three scales, Self-care (six items; Cronbach's alpha = 0.89), Ambulation (two items, alpha = 0.88), and Psychological Distress (two items, alpha = 0.84). Content validity was supported by selection of items from pre-existing scales, generation of items based on care plans for HIV/AIDS patients, and review and critique of items by a panel of nurse experts. Construct validity was supported by principal components factor analysis and multi-trait scaling analysis. Convergent and divergent concurrent validity with patient symptoms and intensity of nursing care required was demonstrated. The predictive validity of the HIV-QAM for mortality at 3 and 6 months after hospital treatment for Pneumocystis carinii pneumonia was also shown.