Variables | OS | PFS | LC | |||||||
---|---|---|---|---|---|---|---|---|---|---|
HR | 95% CI | P value | HR | 95% CI | P value | HR | 95% CI | P value | ||
Age, years | < 65 | 1 | 1 | 1 | ||||||
≥ 65 | 3.645 | 1.041–12.77 | 0.022 | 1.835 | 0.671–5.015 | 0.212 | 2.210 | 0.732–6.675 | 0.130 | |
ECOG PS | 0 | 1 | 1 | 1 | ||||||
> 1 | 1.956 | 0.807–4.738 | 0.144 | 2.865 | 1.125–7.298 | 0.032 | 2.521 | 0.935–6.801 | 0.074 | |
Clinical stage | ≤ stage 3 | 1 | 1 | 1 | ||||||
> stage 4 | 6.735 | 1.581–28.70 | 0.009 | 1.866 | 0.368–.465 | 0.459 | 2.609 | 0.462–14.73 | 0.284 | |
T category | ≤ T3 | 1 | 1 | 1 | ||||||
> T3 | 1.921 | 0.677–5.469 | 0.236 | 1.618 | 0.452–.785 | 0.437 | 1.513 | 0.417–5.480 | 0.512 | |
N category | ≤ N2b | 1 | 1 | 1 | ||||||
> N2b | 1.425 | 0.513–3.957 | 0.506 | 2.468 | 0.966–6.301 | 0.069 | 2.415 | 0.936–6.229 | 0.078 | |
Chemotherapy | IACRT | 1 | 1 | 1 | ||||||
SCRT | 3.161 | 1.055–9.468 | 0.041 | 1.389 | 0.524–3.686 | 0.511 | 1.630 | 0.595–4.463 | 0.344 | |
Prescribed total dose | ≤60 Gy | 1 | 1 | 1 | ||||||
> 60 Gy | 1.992 | 0.718–5.533 | 0.174 | 1.715 | 0.674–4.359 | 0.262 | 1.438 | 0.543–3.808 | 0.468 |