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  2. Leukopenia - Wikipedia

    en.wikipedia.org/wiki/Leukopenia

    Leukopenia (from Greek λευκός (leukos) 'white' and πενία (penia) 'deficiency') is a decrease in the number of leukocytes (WBC).Found in the blood, they are the white blood cells, and are the body's primary defense against an infection.

  3. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    This may also be called standard range. In contrast, optimal (health) range or therapeutic target is a reference range or limit that is based on concentrations or levels that are associated with optimal health or minimal risk of related complications and diseases. For most substances presented, the optimal levels are the ones normally found in ...

  4. Absolute neutrophil count - Wikipedia

    en.wikipedia.org/wiki/Absolute_neutrophil_count

    Absolute neutrophil count (ANC) is a measure of the number of neutrophil granulocytes [1] (also known as polymorphonuclear cells, PMN's, polys, granulocytes, segmented neutrophils or segs) present in the blood. Neutrophils are a type of white blood cell that fights against infection.

  5. List of human disease case fatality rates - Wikipedia

    en.wikipedia.org/wiki/List_of_human_disease_case...

    Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.

  6. Hazard ratio - Wikipedia

    en.wikipedia.org/wiki/Hazard_ratio

    The hazard ratio would be 2, indicating a higher hazard of death from the treatment. For example, a scientific paper might use an HR to state something such as: "Adequate COVID-19 vaccination status was associated with significantly decreased risk for the composite of severe COVID-19 or mortality with a[n] HR of 0.20 (95% CI, 0.17–0.22)."

  7. Dementia with Lewy bodies - Wikipedia

    en.wikipedia.org/wiki/Dementia_with_Lewy_bodies

    Also, DLB is a synucleinopathy, meaning that it is characterized by abnormal deposits of alpha-synuclein protein in the brain. The synucleinopathies include Parkinson's disease, multiple system atrophy, and other rarer conditions. [14] The vocabulary of diseases associated with Lewy pathology causes confusion. [15]

  8. Child mortality - Wikipedia

    en.wikipedia.org/wiki/Child_mortality

    Infant death refers to the death of a child before their first birthday or within 12 months of life. Some of the main causes include premature birth, SIDS, low birth weight, malnutrition and infectious diseases. And lastly, the under-5 mortality rate refers to children who die under the age of 5 years old or within the first 5 years of life. [10]

  9. Oxygen saturation (medicine) - Wikipedia

    en.wikipedia.org/wiki/Oxygen_saturation_(medicine)

    An SaO 2 (arterial oxygen saturation) value below 90% causes hypoxia (which can also be caused by anemia). Hypoxia due to low SaO 2 is indicated by cyanosis, but oxygen saturation does not directly reflect tissue oxygenation. The affinity of hemoglobin to oxygen may impair or enhance oxygen release at the tissue level.