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. 2021 Mar 31;151:e68–e77. doi: 10.1016/j.wneu.2021.03.122

Table 4.

List of Comorbidities at One Institution Between March and June for 2019 and 2020

Comorbidity Number of Cases by Year
2019 2020
Hypertension 162 117
Current or former smoker 75 85
Dyslipidemia 64 54
Diabetes mellitus 50 46
Previous neurosurgery 55 41
Previous cerebrovascular accident/stroke/subarachnoid hemorrhage/intracerebral hemorrhage 26 29
Thyroid disorder 26 20
Gastrointestinal disorder 26 15
Coronary artery disease 25 12
Depression/anxiety 20 16
Atrial fibrillation 19 14
Heart failure 18 13
Neuromusculoskeletal disorder 21 11
Non-CNS malignancy 16 14
Kidney disease 17 10
Chronic obstructive pulmonary disease 13 13
Substance abuse 9 13
Asthma 10 8
Seizure disorder 8 9
Hematologic disorder 7 9
CNS tumor/mass/abscess 9 5
Peripheral vascular disease 5 7
Nondepression/anxiety psychiatric disorder 7 3
Hepatitis C positive 5 5
Intravenous drug use 4 6
Non-CNS malignancy, known metastatic 5 4
Gout 5 4
Autoimmune disorder 6 3
Human immunodeficiency virus positive 6 1
Obstructive sleep apnea 3 3
Transient ischemic attack 3 3
Chiari malformation 6 0
Deep vein thrombosis 2 3
Dementia 2 3
Cardiac valvular disease/endocarditis/myopathy 4 1
Previous myocardial infarction 3 2
Previous pulmonary embolism 2 2
Morbid obesity 2 2
Traumatic brain injury 1 2
Pacemaker 2 1

CNS, central nervous system.