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W Xu

Researcher at McGill University

Publications -  6
Citations -  573

W Xu is an academic researcher from McGill University. The author has contributed to research in topics: Exacerbation & Quality of life. The author has an hindex of 5, co-authored 6 publications receiving 525 citations. Previous affiliations of W Xu include Jewish General Hospital.

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Journal ArticleDOI

Independent Effect of Depression and Anxiety on Chronic Obstructive Pulmonary Disease Exacerbations and Hospitalizations

TL;DR: This study suggests a possible causal effect of depression on COPD exacerbations and hospitalizations and further studies are warranted to confirm this finding and to test the effectiveness of antidepressants and psychotherapies on reducing exacerbation and improving health resource utilizations.
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Use of antidepressants and risk of colorectal cancer: a nested case-control study

TL;DR: A population-based nested case-control study of people aged 5-85 years who were registered with Saskatchewan Health and eligible for prescription-drug benefit to assess whether SSRI use was associated with a decreased risk of colorectal cancer, and tricyclic-antidepressant use with an increased risk of colon cancer.
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Negative impacts of unreported COPD exacerbations on health-related quality of life at 1 year

TL;DR: Development and evaluation of self-management programmes emphasising early recognition of exacerbations and consequent action appear to be warranted.
Journal Article

Validation and clinical interpretation of the St George's Respiratory Questionnaire among COPD patients, China.

TL;DR: This SGRQ-MC is a reliable, valid and responsive instrument for quality of life evaluation in COPD patients in China as it is culturally and clinically equivalent to other versions, and measures can be compared among countries.
Journal Article

The cross-sectional and longitudinal association of the BODE index with quality of life in patients with chronic obstructive pulmonary disease.

TL;DR: BODE index might have potential to be used as a sensitive tool to assess the status of quality of life and to monitor disease progression among stable COPD patients and is associated with SGRQ score cross-sectionally and longitudinally among stable CopD patients.