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Power Pivot supports the use of expression languages to query the model and calculate advanced measures. Pivot tables or pivot charts may be used to explore the model once built. It is available as an add-in in Excel 2010, as a separate download for Excel 2013, and is included by default since Excel 2016.
The Patient-Reported Outcomes Measurement Information System [1] (PROMIS) provides clinicians and researchers access to reliable, valid, and flexible measures of health status that assess physical, mental, and social well–being from the patient perspective. PROMIS measures are standardized, allowing for assessment of many patient-reported ...
Valderas JM, Alonso J. Patient reported outcome measures: a model-based classification system for research and clinical practice. Qual Life Res. 2008; 17: 1125–35. Wiklund I., Assessment of patient-reported outcomes in clinical trials: the example of health-related quality of life, Fundam Clin Pharmacol. 2004 Jun;18(3):351-63.
Data Analysis Expressions (DAX) is the native formula and query language for Microsoft PowerPivot, Power BI Desktop and SQL Server Analysis Services (SSAS) Tabular models. DAX includes some of the functions that are used in Excel formulas with additional functions that are designed to work with relational data and perform dynamic aggregation.
Health Plan Descriptive Information; Measures Collected Using Electronic Clinical Data Systems; Measures are added, deleted, and revised annually. For example, a measure for the length of stay after giving birth was deleted after legislation mandating minimum length of stay rendered this measure nearly useless.
The reliability (statistics) and validity (statistics) of any measure of health status must be known so that their impact on the assessment of health outcomes can be taken into account. In mental health services these values may be quite low, especially when carried out routinely by staff rather than by trained researchers, and when using short ...
Composite measures or combined measures are common in clinical research. [1] [2] The rationale is that combining different outcome measures gives greater statistical power. For example, the composite measure "Killed or Seriously Injured" is often used in studies of road safety. While deaths are easier to count and are an outcome of undisputed ...
The P stands for probability and measures how likely it is that any observed difference between groups is due to chance. The P value function between 0 and 1. The closer to 0, the less likely the results are due to chance. The closer to 1, the higher the probability that the results are actually due to chance. [4]