Figure 3

Forest plot of hazard ratios for disease-free survival and 95% CI in patients with resectable head and neck squamous cell carcinoma treated with induction chemotherapy followed by locoregional treatment, or locoregional treatment alone. Richard 1991a²³ is for cancer of the floor of the mouth, Richard 1991b²³ is for cancer of the posterior oral cavity and oropharynx. Jacobs 1987¹⁷, Lefebvre 1996²⁴, Paccagnella 2004¹¹, Richard 1998²⁵, Veterans Affairs 1998²⁷, Volling 1994¹³.