Pearl-index definition

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WebPearl index = (No. of pregnancies x 12) x 100 / (No. of women in the study x Duration of study in months) If during a 16-month study on 235 women, 5 unintended pregnancies … WebNov 1, 2024 · Pearl index - Definition of Pearl index A measure of the reliability of any birth control method. A Pearl index of 1.0 signifies that if 100 women use a particular …

Pearl Definition & Meaning Dictionary.com

Web3. [count] : something that is shaped like a pearl. Pearls of dew glistened on the grass. pearl onions. 4. [count] : someone or something that is very good or admired. She was a pearl among swine. The island is a cultural pearl of the Pacific. WebHi index lenses are made of hi index plastic, which allows for a lighter, thinner lens, even for more significant prescriptions. Ideal for: People with high prescriptions, people who want the lightest and most advanced material available. Anti-Reflective Lenses Our anti-reflective prescription lenses reduce surface reflections by 78%. foam fortnite pickaxe

Pearl definition of pearl by Medical dictionary

WebMeaning of pearl in English pearl noun us / pɝːl / uk / pɜːl / [ C or U ] a small, round object, usually white, that forms around a grain of sand inside the shell of a sea creature, … WebMeaning of pearl in English pearl noun uk / pɜːl / us / pɝːl / [ C or U ] a small, round object, usually white, that forms around a grain of sand inside the shell of a sea creature, … WebPerl - Arrays. An array is a variable that stores an ordered list of scalar values. Array variables are preceded by an "at" (@) sign. To refer to a single element of an array, you will use the dollar sign ($) with the variable name followed by the … foam for stool seat

STATISTICAL R EVIEW AND EVALUATION - Food and Drug …

What does PEARL INDEX mean? - Definitions.net

WebThe Pearl Index, also called the Pearl rate, is the most common technique used in clinical trials for reporting the effectiveness of a birth control method. How to pronounce PEARL … Webpearl. [ perl] 1. a smooth lustrous deposit found in certain mollusks, valued as a gem. 2. something resembling this structure, either because of being round and hard or because of being considered valuable. 3. a small medicated granule, or a glass globule with a single dose of volatile medicine, as amyl nitrite. greenwich village holiday apartments for rentWeba. Mathematics A number or symbol, often written as a subscript or superscript to a mathematical expression, that indicates an operation to be performed, an ordering … foam fort building

"WebAug 4, 2024 · An index is an indicator or measure of something. In finance, it typically refers to a statistical measure of change in a securities market. In the case of financial markets, stock and bond... " - Pearl-index definition

Pearl-index definition

Pearl Index - an overview ScienceDirect Topics

WebIndex A book containing references, alphabetically arranged, to the contents of a series or collection of documents or volumes; or a section (normally at the end) of a single volume … Webpi (π, Π), 1. The 16th letter of the Greek alphabet. 2. (Π). Symbol for osmotic pressure; in mathematics, symbol for the product of a series. 3. (π). Symbol for the ratio of the circumference of a circle to its diameter (approximately 3.14159). 4.

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WebPearl index translation in English - English Reverso dictionary, see also 'pearl',pearl',pearl ash',pearl barley', examples, definition, conjugation Translation Context Spell check … WebA commonly used measure of contraceptive effectiveness is the Pearl Index. It measures the percentage of sexually active women who become pregnant while using a method for …

The Pearl Index, also called the Pearl rate, is the most common technique used in clinical trials for reporting the effectiveness of a birth control method. It is a very approximate measure of the number of unintended pregnancies in 100 woman-years of exposure that is simple to calculate, but has a number … See more Several kinds of information are needed to calculate a Pearl Index for a particular study: • the total number of months or cycles of exposure by women in the study • the number of … See more Like all measures of birth control effectiveness, the Pearl Index is a calculation based on the observations of a given sample population. Thus studies of different populations using the same contraceptive will yield different values for the index. The … See more The Pearl Index is sometimes used as a statistical estimation of the number of unintended pregnancies in 100 woman-years of exposure (e.g. 100 women over one year of use, or 10 women over 10 years). It is also sometimes used to compare birth … See more • Comparison of birth control methods • Decrement table • Life table See more 1. ^ Pearl, Raymond (1933). "Factors in human fertility and their statistical evaluation". Lancet. 222 (5741): 607–611. doi:10.1016/S0140-6736(01)18648-4. 2. ^ Trussell J, Hatcher … See more WebA book containing references, alphabetically arranged, to the contents of a series or collection of documents or volumes; or a section (normally at the end) of a single volume or set of volumes containing such references to its contents.

WebNov 1, 2024 · A measure of the reliability of any birth control method. A Pearl index of 1.0 signifies that if 100 women use a particular contraceptive method for 1 year, only one of them will become pregnant. The most effective contraceptive methods have Pearl indexes of … WebThe Pearl Index, also called the Pearl rate, is the most common technique used in clinical trials for reporting the effectiveness of a birth control method. How to pronounce PEARL INDEX? David US English Zira US English How to say PEARL INDEX in sign language? Numerology Chaldean Numerology

Web(1) A statistical indicator that measures changes in the economy in general or in particular areas.An example is the cost-of-living index.

WebDer Pearl-Index, benannt nach dem amerikanischen Biologen Raymond Pearl (1879–1940), ist ein Maß für die Wirksamkeit bzw. Zuverlässigkeit von Methoden zur Empfängnisverhütung. Er gibt an, wie hoch der Anteil sexuell aktiver Frauen ist, die trotz Verwendung einer bestimmten Verhütungsmethode innerhalb eines Jahres schwanger … foam for sofa seats near mehttp://ftp.cs.ucla.edu/pub/stat_ser/r350.pdf foam for therapyWebPearl index. ( pĕrl ), the number of failures of a contraceptive method per 100 woman years of exposure. Farlex Partner Medical Dictionary © Farlex 2012. A formula that allows … foam for the wallWebSep 8, 2024 · The Pearl Index compares methods of contraception. A high Pearl index stands for a high chance of unintentionally getting pregnant while a low value represents … foam for sofa seatWebThe Pearl Index is defined as the number of contraceptive failures per 100 women-years of exposure, and uses as the denominator the total months or cycles of exposure from the … foam for tires repairWebMar 31, 2024 · The Pearl Index is defined as the number of pregnancies that happen for one method per 100 women over a year. So for example, the birth control pill has a typical use … foam for throw pillowsWebPearl index = (number of pregnancies x 12) x 100 / (number of women in the study x duration of study in months) For example, if during a test 100 women use a certain contraceptive method and during a period of 12 months, 2 unintended pregnancies occur, the Pearl index is 2. foam for tool boxes drawers