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 order
Search term
Number of articles found
#1
Asthma[Mesh] OR asthma[ti]
124,392
#2
Comorbidity[Mesh] OR comorbid[ti]
94,035
#3
Hypertension[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
#4
Mortality[Mesh] OR mortality[ti] OR death[ti] OR Hospitalization[Mesh] OR hospitalization[ti] OR hospitalisation[ti] OR length-of-stay[ti] OR LOS[ti]
