Table 6 Summary of the Studies Reporting DMFS and OS of advanced N-stage NPC patients
Author | Year | N | Technique of RT | DMFS(%) | OS(%) |
|---|---|---|---|---|---|
Leung, et al [9] | 2005 | 1070 | 2D-CRT | 5-year: | 5-year: |
N2:71.6 | N2:60.3 | ||||
N3a:66.9 | N3a:48.4 | ||||
N3b:52.1 | N3b:40.2 | ||||
Ma, et al [10] | 2001 | 621 | 2D-CRT | 5-year: | — |
N2:62 | |||||
N3:51 | |||||
Lai, et al [11] | 2011 | 1276 | 2D-CRT | 5-year: | — |
IMRT | 2D- | ||||
CRT:N2:75.1 | |||||
N3:65.4 | |||||
IMRT: N2:80.5 | |||||
N3:60.9 | |||||
Wong, et al [2] | 2010 | 175 | IMRT | 3-year: | — |
N2:76.6 | |||||
N3:67.3 | |||||
Yi, et al [12] | 2008 | 147 | IMRT | 3-year: | 3-year: |
N2-3:65.2 | N2-3:68.5 | ||||
Current study | 2012 | 198 | IMRT | 5-year: | 5-year: |
N2:68.5 | N2:71.0 | ||||
N3:50.1 | N3:55.7 |