Table 2 Univariate Cox regression analysis with respect to overall survival
Parameter | Risk | HR | 95% CI | p value |
|---|---|---|---|---|
Clinical parameters | ||||
Gender | Male | 1.18 | 0.74–1.89 | 0.477 |
Age | > 58.5 | 1 | 0.98–1.02 | 0.698 |
Tumor_grade | > 2 | 2.63 | 1.71–4.05 | 0 |
T stage | > 3 | 1.52 | 1.10–2.08 | 0.01 |
N stage | > 1 | 1.46 | 1.13–1.89 | 0.003 |
UICC stage | >II | 2.19 | 1.50–3.22 | 0 |
Localization | middle | 1.31 | 1.04–1.65 | 0.02 |
Length of tumor | > 3.5 | 1.18 | 1.08–1.28 | 0 |
Concurrent chemo | No | 0.99 | 0.66–1.48 | 0.943 |
PET parameter | ||||
SUVmax1 | > 9.6 | 1.01 | 0.98–1.04 | 0.419 |
SUVmax2 | > 7.8 | 1.16 | 1.07–1.25 | 0 |
ΔSUVmax | < 0.23 | 0.85 | 0.51–1.42 | 0.538 |
MTV1 | > 10.5 | 1.02 | 1.01–1.03 | 0 |
MTV2 | > 15.9 | 1.01 | 0.99–1.03 | 0.395 |
ΔMTV | > 0.075 | 1.17 | 0.98–1.40 | 0.001 |
TLG1 | > 59.8 | 1 | 1.0–1.01 | 0.001 |
TLG2 | > 44.3 | 1.01 | 1.0–1.01 | 0.019 |
ΔTLG | > 0.27 | 1.21 | 0.91–1.62 | 0.014 |