Research Article

Low Survival Rates of Oral and Oropharyngeal Squamous Cell Carcinoma

Figure 1

(a) Survival curve of patients with oral and oropharyngeal squamous cell carcinoma estimated by Kaplan-Meier method (Maceió, AL, Brazil, 2005–2013). (b) Survival curve for alcohol intake of patients with oral and oropharyngeal squamous cell carcinoma estimated by Kaplan-Meier method (Maceió, AL, Brazil, 2005–2013). (c) Survival curve for cancer staging of patients with oral and oropharyngeal squamous cell carcinoma estimated by Kaplan-Meier method (Maceió, AL, Brazil, 2005–2013). (d) Survival curve for surgical procedure of patients with oral and oropharyngeal squamous cell carcinoma estimated by Kaplan-Meier method (Maceió, AL, Brazil, 2005–2013).
(a)
(b)
(c)
(d)