Max Rady College of Medicine

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You are now viewing entries beginning with the letter S (37 entries)

1. Schizophrenia - Measuring Prevalence
This concept defines schizophrenia and describes how this medical condition has been defined in MCHP research. This includes a list of databases where this information resides, the ICD diagnosis codes that are used to define it, and a list of MCHP r...
2. School Assignment (School Transfers / School Changes and Longest Attended)
School assignment refers to how students are matched to the schools they have attended or are currently attending. Researchers have measured this concept through measuring (the sub-concepts) (a) school transfers / school changes and (b) school longe...
3. School Catchment Area
School catchment area refers to the geographical area from which students are allowed to attend a specific school.
4. School Year (Education) Data
NOTE: This concept contains analytical information about the contents of the Education data up until the year 2007/2008, when the data was initially received at MCHP. This includes detailed description of the school year data from 1995/1996 to 2...
5. Senior's Residences
Addresses (postal codes) of senior's residences in Winnipeg were obtained from the 1997 Winnipeg Seniors Housing Directory published by Age & Opportunity. Using Manitoba Health Insurance registry data for 1997 containing postal code and age of each...
6. Sensitivity and Specificity - Using the ROC Curve to Measure
Two indices are used to evaluate the accuracy of a test that predicts dichotomous outcomes ( e.g. logistic regression) - sensitivity and specificity. They describe how well a test discriminates between cases with and without a certain conditio...
7. Sensitivity Testing - Issues and Guidelines
How do we separate the numerator into 'yes' and 'no' groups? When using physician claims data, an 'event' can be defined by: Requiring only one claim in total or over a specified period of time Requiring several claims in total ...
8. Separation - Family Structure
concept/Social Determinants of Health-SDOH-Digital Library-Image.jpg Part of the Family Structure group of Concepts, Separation discusses the definition...
9. Service Types, Physician Visits
Service types define a set of different types of services found in the physician visits. The most recent use of these types have been the use of service type 01 (non-consultative visit) and 02 (consultative visit) in the
10. Sex and Gender Related Data in the Manitoba Population Research Data Repository
This concept provides definitions for the words "sex" and "gender", describes the current state of sex and gender related variables available in the Manitoba Population Research Data Repository (Repository), identifies additional data in the Reposit...
11. Shadow Billing Data Validation
This concept describes a method used to validate shadow billing claims contained in the Medical Services data and presents the results of this validation. Information for this concept is taken direc...
12. Siblings
Administrative data provide large numbers of individuals and families for selecting birth cohorts and tracking them through time. At MCHP, both the mother's identification number - an encrypted PHIN (Personal Heath Information Number) - and the fami...
13. Size for Gestational Age
Size for gestational age is a measure of fetal growth, where small-for-gestational-age is considered an indicator of fetal growth restriction and a marker for increased fetal and infant mortality and morbidity risk, and large-for-gestational-age is ...
14. Small Area Analysis (SAA)
Small area analysis (SAA) is a technique that uses large administrative databases to obtain population-based measures of utilization and resource allocation. SAA can provide the following kinds of statistics:For years, the per capita costs...
15. Small Areas in Manitoba
The following document provides some basic information on various areas in Manitoba. Many of these have separate individual concepts written about them. This information is compiled from various sources; some numbers may disagree between sources and...
16. Smoking Cessation Prescriptions
This concept contains information on smoking cessation prescriptions, including the methods used at MCHP to identify smoking cessation prescriptions in administrative data and links to specific MCHP research where smoking cessation prescription rate...
17. Social and Material Deprivation Indices
This concept describes the methodology for developing two indices measuring Social Deprivation and Material Deprivation and the use of these indices in MCHP research. Both are small-area based composite indices calculated from Canadian Census data ...
18. Social and Recreational Programs - Winnipeg
NOTE: This data is archived in the MCHP Data Repository as it is felt that it will no longer be used in our research. The Social and recreational programs variables were derived from a database of social, recreation, and other programs th...
19. Social Assistance Management Information Network (SAMIN) Research Data Set
The Social Assistance Management Information Network (SAMIN) Research Data Set was created for the initial research work with the Employment and Income Assistance (EIA) data housed in the MCHP Data Repository. This data set combined variables from t...
20. Social Complexities / Social Complexity Index
This concept describes a method developed at MCHP to define and operationalize "social complexities". Information for this concept is taken directly from the deliverable A Comparison of Models of Primary Care Delivery in Winnipeg by
21. Socio-Economic Risk Index (SERI)
To examine the relationship of a population's socioeconomic characteristics to its health status and use of health care services, a composite Socio-Economic Risk Index (SERI) was developed for the Population Health Information System. From a set ...
22. Socioeconomic Factor Index (SEFI) - Based on the 1986, 1991, and 1996 Census Data
Socioeconomic variables are perhaps the most important predictors of health. Thus, members of MCHP have created indices to examine the relationship of a population's socioeconomic characteristics to its health status and use of health care services....
23. Socioeconomic Factor Index (SEFI) - Based on the 2001 Census Data
This concept describes the changes in the MCHP Socioeconomic Factor Index (SEFI) measure in 2001 based on the changes in the 2001 Canadian Census data. This concept includes: background information about the SEFI; a brief description of the change...
24. Socioeconomic Factor Index (SEFI) - Version 2 (SEFI-2)
This concept describes the methodology for developing the Socioeconomic Factor Index (SEFI) - Version 2 (SEFI-2) and discusses the use of this index in MCHP research. The SEFI is a measure of socioeconomic characteristics based on Canadian Census d...
25. Special Needs Children - Method of Identification from Education Data
This concept briefly discusses the Special Needs data available in the Education database at the Manitoba Centre for Health Policy (MCHP). It provides a description of guidelines and criteria used by Manitoba Education to identify children with spec...
26. Standards Tests / Achievement Tests - Test Performance and Outcomes
This concept provides information on Standards Tests / Achievement Tests that are provincial exams written by students in Manitoba. The concept includes background information on the types of tests, identifies the data sources in the MCHP Data Repo...
27. Statistical Analysis of Mean Waiting Times
Administrative data contain a history of contacts in the period before surgery. The preoperative visit to the operating surgeon occurs in a high proportion of cases and makes sense to most clinicians as being the beginning of the wait for sur...
28. Statistics Canada Linked Data: Notes from the Field
The most important part of working with this particular linked dataset, and probably datasets in general, is understanding what the variables mean and how they are coded. This is aided by studying the codebook, where available, and by running freque...
29. Statistics for Large Databases
This concept provides a list of statistical tools and approaches that have been used at MCHP. Many of them are particularly useful in working with large databases. Researchers and programmers might look here for an introduction to these tools and to...
30. Stroke - Measuring Prevalence
A stroke occurs when there is a sudden death of brain cells due to a lack of oxygen when the blood flow to the brain is impaired by blockage or rupture of an artery to the brain. Symptoms of a stroke depend on the area of the brain affected. The mos...
31. Substance Use Disorders / Substance Abuse - Measuring Prevalence
This concept defines substance use disorders / substance abuse and describes how this medical condition has been defined in MCHP research. This includes a list of databases where this information resides, the ICD diagnosis codes that are used to de...
32. Suicide and Attempted Suicide (Intentional Self Inflicted Injury)
This concept contains operational definitions for both suicide and attempted suicide. An alternative term used by many researchers for attempted suicide is intentional self-inflicted injury. Typically, the definition for suicide is taken directly f...
33. Surgery Dates
It is sometimes necessary to "fix" missing surgical procedure dates. There are 12 fields for surgical dates (DATE01-DATE12) that correspond to the 12 fields for surgical codes (SC01-SC12) on the hospital claims (from 1987 onward). Sur...
34. Surgical/Medical Outpatient Identification
This concept discusses the methods used at MCHP to identify surgical and medical outpatient cases that can then be used for further analyses. In general, the Transaction Code (TRANSACT='3' or '5') or Admission Status (ADSTAT='4') is used to identify...
35. Surgical/Medical/Obstetrical Inpatient Identification
This concept discusses the methods used at MCHP to identify surgical, medical and obstetrical inpatient cases that can be used for further analyses. In general, a Transaction Code is used to identify the inpatient cases, and then one of three differ...
36. Survival Analysis
Survival data is any data that deals with time until the occurrence of any well-defined event such as: death from a specific cause the onset of disease readmission e.g. of a patient in whom disease had been in remission recov...
37. Syphilis - Method of Identification
This concept provides a working definition of syphilis and describes the methods used at MCHP to investigate syphilis in the administrative data held in the Manitoba Population Research Data Reposito...

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Manitoba Centre for Health Policy
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Rady Faculty of Health Sciences,
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