Familial Nasopharyngeal Carcinoma 6

Prognostic Factors in Nasopharyngeal Cancer 99N-stageOverall stageCategory N0 N1 N2 N3 Category I (%) II (%) III (%) IV (%)5-year MFS 90% 81% 62% 51% 5-year OS5-year RFS89847069535137365-year NFFS 96% 84% 86% 59%–70% a 5-year DSS 82 80–72 a 69 395-year MFS 87% 76% 70% 73%–54%5-year NFFS 98% 95% 92% 83% 5-year OS5-year DSS5-year PFS5-year MFS909285938487738775796280586544675-year NFFS 97% 96% 90% 75%–83% 5-year OS5-year CSS5-year PFS5-year MFS8591849392–7895–8287–7195–846267577644–43 a50–4642–4358–563-year MFS 93% 76% 80% 40% 3-year OS3-year LRFFS1008872906589558510-year DSS 77 65 54 295-year DSS 66% 53% 40% 26% 5-year DSS 96 74 50 245-year OS5-year RFS5-year LFFS5-year NFFS5-year MFS5-year OS 73% 60% 43% 43%–20% 5-year OS 88 75–74 60 35–285-year OS5-year DFS68%62%61%54%54%44%35%30%5-year DFS 83% 66% 69% 53%OS (HR)MFS (HR)OS (HR)MFS (HR)11112.13 * 3.70 * 4.01–5.60 *2.89 * 5.66 * 7.85–9.49 *1.371.722.46 * 5.20–4.91 *2.86 a 6.43–6.52 a5-year OS5-year DFS98969898988276796583987772–7172–6580557686785547614169757142–3931–30