Canadian Respiratory Journal / 2018 / Article / Tab 1

Review Article

Effects of Comorbidities on Asthma Hospitalization and Mortality Rates: A Systematic Review

Table 1

Example of the key terms used in PubMed database search for certain comorbid diseases.

Search orderSearch termNumber of articles found

#1Asthma[Mesh] OR asthma[ti]124,392
#2Comorbidity[Mesh] OR comorbid[ti]94,035
#3Hypertension[Mesh] OR “Diabetes Mellitus”[Mesh] OR “Pulmonary Disease, Chronic Obstructive”[Mesh] OR Anxiety[Mesh] OR “Mental Disorders”[Mesh] OR “Heart Failure”[Mesh] OR “Myocardial Ischemia”[Mesh] OR hypertens[ti] OR high-blood-pressure[ti] OR diabet[ti] OR chronic-obstructive-pulmonary[ti] OR COPD[ti] OR anxiety[ti] OR mental-disorder[ti] OR heart-failure[ti] OR ischemic-heart-disease[ti] OR coronary-heart-disease[ti]2,206,473
#4Mortality[Mesh] OR mortality[ti] OR death[ti] OR Hospitalization[Mesh] OR hospitalization[ti] OR hospitalisation[ti] OR length-of-stay[ti] OR LOS[ti]667,645
#5Combination of searches: #1 AND (#2 OR #3) AND #4588
#6#5 AND English[la]521

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