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MCHC can be normal even when hemoglobin production is decreased (such as in iron deficiency) due to a calculation artifact. MCHC can be elevated ("hyperchromic") in hereditary spherocytosis, sickle cell disease and homozygous hemoglobin C disease, depending upon the hemocytometer. [4] [5] MCHC can be elevated in some megaloblastic anemias. MCHC ...
Polycythemia is defined as serum hematocrit (Hct) or hemoglobin (HgB) exceeding normal ranges expected for age and sex, typically Hct >49% in healthy adult men and >48% in women, or HgB >16.5 g/dL in men or >16.0 g/dL in women. [8] The definition is different for neonates and varies by age in children. [9] [10]
The mitotic index is a measure of cellular proliferation. [1]It is defined as the percentage of cells undergoing mitosis in a given population of cells. Mitosis is the division of somatic cells into two daughter cells.
Of all probability distributions over the reals with a specified finite mean and finite variance , the normal distribution (,) is the one with maximum entropy. [29] To see this, let X {\textstyle X} be a continuous random variable with probability density f ( x ) {\textstyle f(x)} .
In less than one generation, the average weight of a child has risen by 5 kg in the United States. [77] The CDC has reported that, in 2014, 17.2% of youth aged 2–19 were considered obese and another 16.2% were overweight. [78] Meaning, over one-third of children and teens in the US were overweight or obese.
The median age is the index that divides the entire population into two numerically equal age groups, one younger than that age and the other older than that age. It is the only index associated with the age distribution of a population. [1]
The city is situated in a valley with the same name around 70 km (44 mi) east of the port city of Jeddah. Mecca is one of the lowest cities in elevation in the Hejaz region, located at an elevation of 277 m (909 ft) above sea level at 21º23' north latitude and 39º51' east longitude. Mecca is divided into 34 districts.
Long delays for customs clearances, especially for imports, are ubiquitous, and over 70% of the surveyed firms reported that they had made extra-legal payments to customs officials. [35] Financial constraints also confront many entrepreneurs in Sanaa: the cost of bank credit is also prohibitively high, and loan guarantees often comes with heavy ...