Tools
23 entriesClinical calculators and scoring systems
- NEXUS Criteria for Cervical Spine (C-Spine) ImagingHelps to clinically rule out a C-spine injury in alert and stable patients with blunt trauma while safely avoiding radiographic imaging→
- NIH Chronic Prostatitis Symptom IndexMeasures severity of symptoms and the impact on quality of life for men with chronic prostatitis→
- NIH Stroke Score/Scale (NIHSS)Assesses severity of neurological deficit following a stroke in the acute setting and predicts clinical outcomes in these patients→
- Namibia Vaccine Catch-up Calculator - Private Sector (Testing link)Namibia Vaccine Catch-up Calculator - Public Sector (Testing link)→
- Namibia Vaccine Catch-up Calculator - Public Sector (Testing link)Namibia Vaccine Catch-up Calculator - Public Sector (Testing link)→
- Nasal Cannula Oxygen Fractional Inspired O₂ (FiO₂) EstimateEstimates the FiO₂ for a given flow rate of oxygen delivered via nasal cannula→
- Natalizumab-Associated Progressive Multifocal Leukoencephalopathy (PML) RiskPredicts the risk of PML in patients treated with Natalizumab→
- Negative Likelihood Ratio (LR-)Calculates sensitivity, specificity and negative likelihood ratio of a test→
- Negative Predictive Value (NPV) from Raw DataCalculates the probability that a person does not have a disease or condition, given a negative test result→
- Negative Predictive Value (NPV) of a TestCalculates the NPV for a test of known sensitivity and specificity→
- Neurofibromatosis (NF) Type 1 Diagnostic CriteriaAssists with the diagnosis of neurofibromatosis type 1→
- Neurofibromatosis (NF) Type 2 Diagnostic CriteriaAssists with the diagnosis of neurofibromatosis type 2→
- Neuropathic Pain Scale (NPS)Quantifies severity of neuropathic pain in patients diagnosed with neuropathy→
- New Orleans Head CT CriteriaHelps determine who needs CT head imaging in patients who have sustained head trauma with loss of consciousness and are neurologically normal (GCS 15/15)→
- Non-Alcoholic Fatty Liver Disease (NAFLD) Fibrosis ScoreIdentifies fibrosis non-invasively in patients with NAFLD and reduces the need for liver biopsy→
- Non-Alcoholic Steatohepatitis Fibrosis Risk (NASH) TreePredicts the risk of fibrosis in patients with NASH→
- Non-Q-Wave Acute Myocardial Infarction (AMI) PredictionEstimates the probability of non-Q-wave AMI, and distinguishes patients with non-Q-wave AMI from those with unstable angina→
- Nonbiliary Cirrhosis Prognostic Criteria for One Year SurvivalAssesses the 1-year mortality risk in patients with nonbiliary hepatic parenchymal cirrhosis in whom liver transplantation is being considered→
- Normal Range for Body WeightCalculates the normal range of body weight for a given height, based on a BMI of 20-25 kg/m²→
- Normalized Protein Catabolic Rate (nPCR)Assesses dietary protein intake in stable patients undergoing dialysis→
- Norton Scale to Stratify Risk of Pressure SoresStratifies the risk of pressure sores based on a patient's mobility, physical and mental condition→
- Number Needed to Harm (NNH) from Odds Ratio (OR) and Patient Expected Event Rate (PEER)Calculates the number of individuals that must be treated, so that 1 of them has an adverse reaction accountable to the treatment, based on the OR and PEER→
- Number Needed to Treat (NNT) from Odds Ratio (OR) and Patient Expected Event Rate (PEER)Calculates the number of individuals that must be treated to prevent 1 additional bad outcome, based on the OR and PEER→