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The mean corpuscular hemoglobin concentration (MCHC) is a measure of the concentration of hemoglobin in a given volume of packed red blood cell. It is calculated by dividing the hemoglobin by the hematocrit. Reference ranges for blood tests are 32 to 36 g/dL (320 to 360g/L), [1] or between 4.81 and 5.58 mmol/L. It is thus a mass or molar ...
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]
Canada's fertility rate hit a record low of 1.4 children born per woman in 2020, [30] below the population replacement level, which stands at 2.1 births per woman. In 2020, Canada also experienced the country's lowest number of births in 15 years, [ 30 ] also seeing the largest annual drop in childbirths (−3.6%) in a quarter of a century. [ 30 ]
Hispanic households had a median net worth of just $13,700 over that time as well. [95] In 2023, the Federal Reserve Board published median and mean family wealth statistics for 2022, based on a nationwide survey of 4,602 families. [96] The average white family's median net worth was $285,000.
Mecca has been referred to by many names. As with many Arabic words, its etymology is obscure. [24] Widely believed to be a synonym for Makkah, it is said to be more specifically the early name for the valley located therein, while Muslim scholars generally use it to refer to the sacred area of the city that immediately surrounds and includes the Ka'bah.
A standard wire gauge. American Wire Gauge (AWG) is a logarithmic stepped standardized wire gauge system used since 1857, predominantly in North America, for the diameters of round, solid, nonferrous, electrically conducting wire.
Sanaa is located on a plain of the same name, the Haql Sanaa, which is over 2,200m above sea level. The plain is roughly 50–60 km long north–south and about 25 km wide, east–west, in the area north of Sanaa, and somewhat narrower further south.
Winters are cold, with 22 days where the high temperature is at or below 32 °F (0 °C) and 2.5 nights with a low at or below 0 °F (−18 °C). [51] The official record highest temperature is 113 °F (45 °C), set on August 14, 1936, at Downtown Airport, while the official record lowest is −23 °F (−31 °C), set on December 22 and 23, 1989 ...