Sentence examples for by the case definition from inspiring English sources
Since this study was designed to draw cases and controls who were representative of the general population and the intent was that cases should differ from controls only by the case definition, the presence of other cardiovascular conditions was not used to exclude controls (or cases).
From a methodological perspective, the range of prevalence estimates was not greatly affected by the case definition assumptions made in the different case definition scenarios.
A total of 344 findings, 46 procedures, and 19 medications from SNOMED-CT were mapped to terms included in, or implied by, the case definition text.
As would be expected by the case definition for cataract group membership, those in the cataract group had impairments in visual function as compared to the no-cataract group.
This lower percentage may have been affected by the case definition of gastroenteritis, as in the Irish survey diarrhea with at least three loose stools per day or bloody diarrhea or vomiting with other symptoms was defined as gastroenteritis [ 26], while in our study both vomiting and diarrhea were required for patients to be included.
In accordance with recommendations from the Ministry of Health of China, local disease control centers were asked to investigate all institutional or community outbreaks (e.g., associated with particular schools or shared public transport vehicles) by using the case definition for acute respiratory illness (ARI).
The numbers of TB suspects identified as having smear-positive PTB stratified by the case definitions and sex are shown in Table 1.
The case definition for these cases conformed with the clinical criteria defined by the Case Definitions for Infectious Conditions in Thailand [ 18] or the International Classification of Diseases and Related Health Problems (10th edition).
For the GP, hospital, and mortality registry, definition of a general respiratory syndrome was guided by the case definitions and codes found in the International Classification of Diseases, 9th revision, Clinical Modification (ICD-9-CM), as selected by the Centers for Disease Control and Prevention (Atlanta, GA, USA) (www.bt.cdc.gov/surveillance/syndromedef).
Prevalence estimates vary by age and the case definition of musculoskeletal pain.
