Comorbidity, the presence of additional illnesses unrelated to the tumor, has a significant
impact on the prognosis of patients with head and neck cancer. In these patients, tobacco …

At the time of diagnosis, many patients with head and neck cancer have other medical
conditions, referred to as comorbidity. These other medical conditions may affect treatment …

Abstract Objectives/Hypothesis Patients with head and neck cancer are staged according to
the morphology of the tumor with little or no attention given to the importance of the other …

Background Comorbidities are diseases or conditions that coexist with a disease of interest.
The importance of comorbidities is that they can alter treatment decisions, change resource …

Background People with head and neck cancer have higher comorbidity levels but it
remains unclear if pretreatment comorbidity is an independent prognosticator in head and …

The significant association with tobacco and alcohol combined with advanced age at time of
diagnosis predispose head and neck squamous cell carcinoma (HNSCC) patients to …

Background: Comorbidity is an important prognostic factor for elderly patients with head and
neck cancer. Investigators are faced with the dilemma of selecting the appropriate …

Background Comorbid conditions have a significant impact on the actuarial survival of
patients with head and neck cancer. However, no studies have evaluated the impact of …

Background Most patients with head and neck squamous cell carcinoma are older and may
have coexistent or comorbid diseases. Objectives To determine the prognostic impact of …

Background In 2001, we presented a Cox regression model that is able to predict survival of
the newly diagnosed patient with head and neck squamous cell carcinoma (HNSCC). This …