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Browsing Biostatistics, Department of by Title
Now showing items 10-14 of 14
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A prospective cohort study of surgical treatment for back pain with degenerated discs; study protocol
(2005)Background: The diagnosis of discogenic back pain often leads to spinal fusion surgery and may partly explain the recent rapid increase in lumbar fusion operations in the United States. Little is known about how patients ... -
Synchrony of change in depressive symptoms, health status, and quality of life in persons with clinical depression
(2006)Background: Little is known about longitudinal associations among measures of depression, mental and physical health, and quality of life (QOL). We followed 982 clinically depressed persons to determine which measures ... -
Towards standardized measurement of adverse events in spine surgery: conceptual model and pilot evaluation
(2006)Background: Independent of efficacy, information on safety of surgical procedures is essential for informed choices. We seek to develop standardized methodology for describing the safety of spinal operations and apply these ... -
Transformations for cDNA Microarray Data
(2003)Two channel microarray data often contain systematic variations that can be minimized by data transformation prior to further analysis. The most commonly observed effects are revealed by viewing scatter plots of the logarithm ... -
Weight-modification trials in older adults: what should the outcome measure be?
(2002)Background: Overweight older adults are often counseled to lose weight, even though there is little evidence of excess mortality in that age group. Overweight and underweight may be more associated with health status than ...