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Regulation (EU) 2017/746 (IVDR) is a regulation of the European Union on the placing on the market and putting into service of in vitro diagnostic medical devices (IVD), repealing Directive 98/79/EC (IVDD), which also concerned IVD. The regulation was published in April 2017 and is closely aligned to the EU regulation on medical devices.
In 2014, the ratio of female births per 1000 male births varied from 887 to 918 using these estimates. [6] According to the NFHS-4 (2015–16) sex ratio of the total population (females per 1,000 males) was 991 (with an urban ratio of 956 and a rural ratio of 1,009). [4]
It shows the male to female sex ratio by the Central Intelligence Agency of the United States. If there is a discrepancy between The World Factbook and a country's census data, the latter may be used instead. A ratio above 1, for example 1.1, means there are more males than females (1.1 males for every female).
The tertiary sex ratio is equivalent to the adult sex ratio (ASR), which is defined as the ratio of adult males to females in a population. [ 6 ] [ 7 ] The operational sex ratio (OSR) is the ratio of sexually active males to females in a population, and is therefore derived from a subset of the individuals included when calculating the ASR. [ 7 ]
Qatar has the highest male-to-female ratio, with 2.87 males/female. For the group aged below 15, Sierra Leone has the lowest female-to-male ratio with 0.96 males/female, and the Republic of Georgia and the People's Republic of China are tied for the highest male-to-female ratio with 1.13 males/female (according to the 2006 CIA World Factbook).
He also noted that a fall in the ratio of male births had been recorded in Iran following the Iran–Iraq War, "explained by psychological stress causing pregnant women disproportionately to abort male fetuses". [9] The normal ratio is estimated to be some 1.03 to 1.06 males per female, [10] which appears to compensate for the fact that child ...
Likelihood Ratio: An example "test" is that the physical exam finding of bulging flanks has a positive likelihood ratio of 2.0 for ascites. Estimated change in probability: Based on table above, a likelihood ratio of 2.0 corresponds to an approximately +15% increase in probability.
A Strategic Group of Experts on In Vitro Diagnostics (SAGE IVD) is appointed by the WHO to advise on its development as it is regularly reviewed and expanded. [8] Different countries can adapt it; the Indian Council of Medical Research produced its own version of the EDL in 2019, a year after the first edition. [9]