Koos Boeve

49 8th TNM classification prognostic value in oral cancer Supplementary data 2 . Disease specific survival Kaplan – Meier curves for the 7 th edition (A+C+E) and 8 th edition (B+D+F) TNM classifications after excluding watchful waiting patients with a tumour infiltration depth >4mm. Five-year survival rates with their 95% confidence intervals for each disease specific survival curve and log-rank test are given in supplementary data 1. Abbreviations: AJCC, American Joint Committee on Cancer; ed., edition; DSS, disease specific survival; N, nodal; T, tumor; WW, watchful waiting