From: Role of postoperative chemoradiotherapy in head and neck cancer without positive margins or extracapsular extension: a propensity score-matching analysis
Parameters
HR
95%CI
p value
OS
pN2-3
2.310
1.469–3.632
< 0.001
DFS
2.346
1.556–3.536
pT3-4
1.527
1.026–2.273
0.037
LRFS
3.527
1.925–6.461
DMFS
2.820
1.484–5.357
0.002
2.460
1.306–4.632
0.005