Tools
547 entriesClinical calculators and scoring systems
- Multiple Myeloma Diagnostic CriteriaAssists with the diagnosis of multiple myeloma→
- Multiple Organ Dysfunction Score (MODS)Predicts mortality and ICU stay in patients with multiple organ dysfunction→
- Mundipharma Bowel Function Index to measure Opioid-Induced ConstipationMundipharma Bowel Function Index (BFI) is a three-item questionnaire to measure opioid-induced constipation (OIC).→
- Mutation and Karyotype-Enhanced International Prognostic Scoring System for Primary Myelofibrosis in Adults 70 and Younger (MIPSS70+ v2.0)Predicts survival in patients under the age of 70 with primary myelofibrosis (MF)→
- Mycamine Dosage CalculatorCalculates the recommended dosages of Mycamine for the treatment of invasive candidiasis and prophylaxis of candida infection→
- Mycoplasma Pneumoniae Prediction in Children with PneumoniaEstimates the risk of mycoplasma pneumoniae in children with community acquired pneumonia (CAP)→
- Myocardial Infarction (MI) Prediction Decision TreePredicts MI in emergency room patients presenting with chest pain→
- 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→
- ORBIT Bleeding Risk Score in Atrial Fibrillation (AF)Estimates risk for major bleeding (fatal bleeding/bleeding with Hb drop requiring blood transfusion of ≥2 units/symptomatic bleeding in a critical organ) in adults with AF in whom anticoagulation is being considered for stroke prevention→
- Odds Ratio (OR) and Relative Risk (RR)Calculates the ratio of the risk of an event in 1 group vs the risk of the event in another group (RR); and the ratio of odds of an event in 1 group vs the odds of the event in another group (OR)→
- Odds from ProbabilityConverts from a probability to odds→
- Oesophageal Varices: Prediction from Platelet Count to Spleen Diameter RatioPredicts the presence of oesophageal varices in patients with chronic liver disease or portal vein thrombosis→
- Omeprazole Therapeutic Gain in DyspepsiaPredicts which patients with dyspepsia will benefit from omeprazole treatment→
- Osteoporosis Risk Assessment Index (ORAI)Predicts risk of osteoporosis and helps select women for bone densitometry→
- Osteoporosis Risk Assessment by Composite Linear Estimate (ORACLE) ScorePredicts the risk of osteoporosis based on patient risk factors and ultrasonometric features→
- Osteoporosis Risk SCORE (Simple Calculated Osteoporosis Risk Estimation)Identifies postmenopausal women who are likely to have low bone density→
- Oswestry Disability Index (ODI)Measures functional status and degree of disability and impairment to daily activities in patients with chronic low back pain→
- Ottawa Ankle RuleRules out clinically significant ankle fractures in patients ≥2 years of age presenting with acute ankle injuries, to aid efficient use of X-rays→
- Ottawa Foot Rule for the Use of X-Ray in Foot InjuryRules out clinically significant foot fractures in patients ≥2 years of age presenting with acute midfoot injuries, to aid efficient use of X-rays→
- Ottawa Heart Failure Risk Scale (OHFRS)Identifies patients presenting to the ED with acute HF or exacerbation of chronic HF at risk for serious adverse events (MI, death, need for intubation/ICU admission)→
- Ottawa Knee RuleRules out clinically significant fractures in patients ≥2 years of age presenting with knee trauma, to aid efficient use of X-rays→
- Ottawa Subarachnoid Haemorrhage (SAH) RuleRules out SAH in patients ≥15 years of age who are neurologically intact, presenting to the ED with new, severe, non-traumatic headache reaching maximum intensity within 1 hour→
- Overall Accuracy of a Test from Raw DataCalculates the probability that an individual will be correctly classified by a test→
- Overall Accuracy of a Test from Sensitivity, Specificity and PrevalenceCalculates the probability that an individual will be correctly classified by a test using prevalence, sensitivity and specificity of the test→
- Oxygen (O₂) Content of Arterial BloodCalculates the oxygen content in arterial blood by adding the oxygen that is combined with Hb and the oxygen dissolved in the plasma→
- Oxygen (O₂) Content of Venous BloodCalculates the oxygen content in venous blood by adding the oxygen that is combined with Hb and the oxygen dissolved in the plasma→
- Oxygen (O₂) Delivery Units ConversionConverts between different units of oxygen delivery→
- Oxygen Consumption (VO₂)Calculates VO₂→