Abstract: Certain examples provide systems, methods, apparatus, and articles of manufacture for clinical data analysis. Certain examples provide a clinical data analysis system including a user interface, a task manager, and a process manager. The example user interface is to facilitate user input and provide output to the user regarding a data query and analysis. The example task manager is to create and manage one or more analyzers to identify at least one of a trend and a correlation in query results. The example process manager is to facilitate querying of one or more data sources according to the data query and a flexible data model, the process manager to allocate tasks to the one or more analyzers for the data query and analysis. The example process manager and task manager are to facilitate user queries and automated system queries performed automatically during periods of non-peak usage.