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Definition of Index case
1. Noun. The earliest documented case of a disease that is included in an epidemiological study.
Medical Definition of Index case
1. A person who first draws attention to their family. For example, if my eye doctor discovers i have glaucoma and subsequently other cases of glaucoma are found in my family, i am the index case. Also called the propositus (if male) or proposita (if female). (12 Dec 1998)
Lexicographical Neighbors of Index Case
Literary usage of Index case
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Draftsman (1904)
"The guide cards showing numbers to be placed in index case with the tab at left
hand side, running left to right and the guide card showing name of tracing ..."
2. Reopening Public Facilities After a Biological Attack: A Decision Making by National Research Council (2005)
"... in a room two floors above the index case. Fever and rash occurred as long as
33 days after the end of the presumed infectious period of the index case. ..."
3. Children's Environmental Health Research: Indoor Mold and Children's Health edited by Allen Dearry, Gwen Collman (2000)
"It should be noted that the daughter (index case/subject A) had a diagnosis ...
In addition to the index case, the brother (subject B; 21 years of age) and ..."
4. The London Medical Gazette (1851)
"INDEX. case of aneurism of tibial artery, 776. о а new preparation of the af
iron, 123. case of cavity in the pancreas ting with the stomach, ..."