- Narrative Review
- Natural Experiment
- Natural Focus of Infection
- Natural History of Disease
- Natural History Study
- Natural Rate of Increase (Decrease)
- Nearest Neighbor Method
- Necessary Cause
- Needle Stick
- Need(s)
- Needs Assessment
- Negative Controls
- Negative Predictive Value
- Negative Study
- Negative Transition
- Neonatal Mortality Rate
- Nested Case-Control Study
- Nested Design
- Net Migration
- Net Migration Rate
- Net Reclassification Index
- Net Reproduction Rate (NRR)
- Net Reproductive Rate (R)
- Network
- Nidus
- NNT
- NNH
- NNS
- Nocebo
- Node
- N-Of-One Study
- Noise (In Data)
- Nomenclature
- Nominal Scale
- Nomogram
- Non-Communicable Disease
- Nonconcurrent Study
- Non-Contagious Events.
- Nondifferential Misclassification
- Nonexperimental Study
- NonGenotoxic Carcinogens
- Non-Inferiority Trial
- Non-Inferiority Margin
- NonMaleficence
- NonMonotonic
- NonParametric Methods
- NonParametric Test
- NonParticipants
- No-Observed-Adverse-Effect Level (NOAEL)
- Norm
- Normal
- Normal Distribution
- Normal Limits
- Normative
- Nosocomial
- Nosocomial Infection
- Nosography, Nosology
- Notifiable Disease
- N.S.
- Null Hypothesis
- Null Study
- Number Needed To Harm (NNH)
- Number Needed To Screen (NNS)
- Number Needed To Treat (NNT)
- Numerator
- Numerical Taxonomy
Number Needed To Treat (NNT) (Syn: Number Needed to be Treated)
- Source:
- A Dictionary of Epidemiology
- Author(s):
Miquel Porta
1. The number of persons needed to be treated, on average, to prevent one more event (e.g., occurrence of a disease to be prevented, complication, adverse reaction, relapse). It is a clinically meaningful way of expressing the benefit of an intervention over another; it takes the absolute risk of the event into account. It is used to summarize results of studies and to assist in clinical decision-making....
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- Narrative Review
- Natural Experiment
- Natural Focus of Infection
- Natural History of Disease
- Natural History Study
- Natural Rate of Increase (Decrease)
- Nearest Neighbor Method
- Necessary Cause
- Needle Stick
- Need(s)
- Needs Assessment
- Negative Controls
- Negative Predictive Value
- Negative Study
- Negative Transition
- Neonatal Mortality Rate
- Nested Case-Control Study
- Nested Design
- Net Migration
- Net Migration Rate
- Net Reclassification Index
- Net Reproduction Rate (NRR)
- Net Reproductive Rate (R)
- Network
- Nidus
- NNT
- NNH
- NNS
- Nocebo
- Node
- N-Of-One Study
- Noise (In Data)
- Nomenclature
- Nominal Scale
- Nomogram
- Non-Communicable Disease
- Nonconcurrent Study
- Non-Contagious Events.
- Nondifferential Misclassification
- Nonexperimental Study
- NonGenotoxic Carcinogens
- Non-Inferiority Trial
- Non-Inferiority Margin
- NonMaleficence
- NonMonotonic
- NonParametric Methods
- NonParametric Test
- NonParticipants
- No-Observed-Adverse-Effect Level (NOAEL)
- Norm
- Normal
- Normal Distribution
- Normal Limits
- Normative
- Nosocomial
- Nosocomial Infection
- Nosography, Nosology
- Notifiable Disease
- N.S.
- Null Hypothesis
- Null Study
- Number Needed To Harm (NNH)
- Number Needed To Screen (NNS)
- Number Needed To Treat (NNT)
- Numerator
- Numerical Taxonomy
