Norm-Based Scoring
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Noninvasive Home Mechanical Ventilation Definition A mode of HMV which is carried out noninvasively through and external interface, normally a nasal or oro-nasal mask.
Nonsteroidal Antiinflammatory Drugs Definition NSAIDs are a group of chemical agents that act by blocking prostaglandins (PGs) synthesis. PGs are important mediators of inflammatory process. NSAIDs can control joint inflammation in RA but have no effect on delaying joint destruction or disability.
Nonverbal Learning Disability Definition NLD is a mental disorder, characterized by significant deficits in social perception, social judgment, and social interaction skills.
Norm for Standard Expected Years of Life Lost Per Death Definition The total SEYLL from deaths occurring in a population that meets the life expectancy of MLTW tables.
Norm-Based Scoring Definition Norm-Based Scoring is a scoring method that standardizes the observed score with reference to the population mean and standard deviation (SD) by z-score transformation and calibration of the population mean to 50 by the formula: ½ðobserved score population meanÞ population SD 10 þ 50
Normal Tissue Complication Probability Definition The probability of an individual or group of patients developing a normal tissue complication. The tissue of interest must be defined. In addition, the specific complication within that tissue, its level of severity, and the time point for the observation must be specified. This is a also population probability, derived from population data, but it can be applied to an individual. A time scale may be attached, for example TCP at 5 years. However, in many situations, it is better for an individual patient to receive a known safe dose, without a risk of complications, than to be given a higher experimental dose to produce a complication from which NTCP data can be derived. This is a fundamental limitation on the clinical investigation of NTCP and radiotherapy dose.
Norm-Adjusted Total Standard Expected Years of Life Lost Nosocomial Definition The total SEYLL from deaths occurring in a population in excess years of the expected in a population that meets the life expectancy of MLTW tables.
Definition Any disease contracted by a patient while under medical care referred to hospitalacquired infection.
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