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Effectiveness of the CANRISK tool in the identification of dysglycemia in a Canadian South Asian Population

Health promotion and chronic disease prevention in Canada, 2018-07, Vol.38 (7-8), p.287-294 [Peer Reviewed Journal]

ISSN: 2368-738X ;EISSN: 2368-738X ;DOI: 10.24095/hpcdp.38.7/8.03 ;PMID: 30129716

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Title:
Effectiveness of the CANRISK tool in the identification of dysglycemia in a Canadian South Asian Population
Author: Agarwal, Gina ; Jiang, Ying ; Lemieux, Chantal ; Rogers Van Katwyk, Susan ; Mao, Yang ; Orpana, Heather ; Fong, Maylene ; Morrison, Howard
Subjects: Adolescent ; Adult ; Age Factors ; Aged ; Algorithms ; Area Under Curve ; Asia - ethnology ; Body Mass Index ; Canada ; CANRISK, Type 2 Diabetes, South Asians, risk-assessment, screening, sensitivity and specificity ; Diabetes Mellitus, Type 2 - blood ; Diabetes Mellitus, Type 2 - diagnosis ; Diabetes Mellitus, Type 2 - ethnology ; Female ; Glucose Tolerance Test ; Humans ; Hyperglycemia - blood ; Hyperglycemia - diagnosis ; Hyperglycemia - ethnology ; Male ; Middle Aged ; Predictive Value of Tests ; Risk Assessment - methods ; ROC Curve ; Waist Circumference ; Young Adult
Is Part Of: Health promotion and chronic disease prevention in Canada, 2018-07, Vol.38 (7-8), p.287-294
Description: South Asians have a higher than average risk of developing type 2 diabetes. We ascertained the effectiveness of CANRISK, an existing diabetes risk assessment tool, examining its sensitivity and specificity at two different predetermined scoring cut-off points comparing those participants under the age of 40 and those 40 and over. We examined the predictive ability of a model based on CANRISK variables, comparing ethno-specific body mass index (BMI) and waist circumference (WC) cut-off points with the original BMI and WC cut-off points to see if predictive ability could be improved for this population. Canadian South Asians of unknown diabetes status, age 18 to 78, were recruited across seven provinces from various community or health centers. CANRISK variables were collected followed by oral glucose tolerance testing. Descriptive analysis, logistic regression including alternative ethno-specific BMI and WC cut-off points, and sensitivity and specificity analyses were performed. 832 participants were recruited (584 under age 40). Using the entire study sample, logistic regression models including CANRISK variables predicted dysglycemia effectively (AUC of 0.80). However, by using alternative BMI/WC cut-off points with the scoring algorithm, predictive power via AUC was not improved. Sensitivity and specificity of CANRISK using the original pre-determined "high risk" cut-off point of 33 points in individuals age 40 years or over were 93% and 35%, respectively; in individuals under 40, these were 33% and 92%, respectively. Using the lower pre-determined "moderate risk" cut-off point of 21 points improved the sensitivity to 77% and specificity to 53% in the younger age group. The existing CANRISK is an adequate risk assessment tool for dysglycemia in Canadian South Asians for those age 40 years and over; however, the tool does not work as well for individuals under 40. The lower cut-off of 21 points may be warranted for younger individuals to minimize false negatives. Ethno-specific BMI/WC cutoff points did not improve predictive ability of the CANRISK scoring algorithm as measured by AUC.
Publisher: Canada: Public Health Agency of Canada
Language: English;French
Identifier: ISSN: 2368-738X
EISSN: 2368-738X
DOI: 10.24095/hpcdp.38.7/8.03
PMID: 30129716
Source: MEDLINE
PubMed Central
ROAD: Directory of Open Access Scholarly Resources
ProQuest Central
DOAJ Directory of Open Access Journals

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Effectiveness of the CANRISK tool in the identification of dysglycemia in a Canadian South Asian Population

ISSN: 2368-738X ;EISSN: 2368-738X ;DOI: 10.24095/hpcdp.38.7/8.03 ;PMID: 30129716

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