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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Head Neck. 2018 May 13;40(9):2060–2069. doi: 10.1002/hed.25200

Table 2.

Comorbidity Characteristics

Type of Comorbidity No of patients
Cardiovascular 102
Respiratory 98
Endocrine 56
Gastrointestinal 34
Immunological 5
Cognitive 3
Musculoskeletal 1
Genitourinary 1
Previous tumor (within 5 years) 34
None 310