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Problems in patients with advanced OSCC. The estimated persistence of impairments or problems are represented by the area under the quality-adjusted survival curve. Duration of functional impairments or problems (years): Taste—3.6; Smell—3.0; Speech—6.5; Swallow—8.3. Problem—years endured: Open mouth—6.6; Dentition—6.1; Social eating—7.5; Social contact—6.1.
