Figure 3

Maintenance of the tracheoesophageal puncture and of the voice prosthesis, Kaplan–Meier curves and influencing factors. (A) All patients with voice prosthesis. (B) <> median number of voice prosthesis changes (<> 2). (C) Postoperative aspiration needing treatment (no/yes). (D) Postoperative neck swelling needing treatment (no/yes).