TABLE 3
Univariate Cox Regression with Respect to OS and DM
| OS | DM | |||||||
| Parameter | Risk | HR | Confidence interval | P | Risk | HR | Confidence interval | P |
| Clinical parameters | ||||||||
| Sex | Male | 1.05 | 0.56–1.97 | 0.88 | Male | 4.53 | 0.62–33.27 | 0.14 |
| Age | >61 (y) | 1.15 | 0.75–1.76 | 0.51 | >61 (y) | 1.43 | 0.66–3.09 | 0.36 |
| T stage | >2 | 1.7 | 1.06–2.71 | 0.026 | >2 | 1.61 | 0.71–3.64 | 0.25 |
| N stage | >0 | 1.71 | 1.11–2.65 | 0.016 | >0 | 1.31 | 0.62–2.77 | 0.49 |
| UICC stage | >II | 1.61 | 1.06–2.46 | 0.027 | >II | 1.53 | 0.72–3.26 | 0.27 |
| Grading | >2 | 1.02 | 0.65–1.6 | 0.92 | >2 | 1.57 | 0.71–3.44 | 0.26 |
| Histology | Squamous cell carcinoma | 1 | 0.58–1.72 | 1 | Squamous cell carcinoma | 0.93 | 0.35–2.44 | 0.88 |
| Smoker | Yes | 1.85 | 1.12–3.05 | 0.016 | Yes | 3.35 | 1.15–9.75 | 0.026 |
| MTV | >8.5 | 2.04 | 1.32–3.14 | 0.001 | >7.43 | 2.34 | 1.03–5.33 | 0.042 |
| TLG (mL) | ||||||||
| TLG | >124 | 1.73 | 1.15–2.6 | 0.0085 | >47.1 | 1.95 | 0.86–4.41 | 0.11 |
| TLGtc | >143 | 1.68 | 1.11–2.56 | 0.015 | >41.8 | 1.95 | 0.86–4.41 | 0.11 |
| TLGSUR | >75.5 | 1.88 | 1.25–2.82 | 0.003 | >75.5 | 2.12 | 1.02–4.43 | 0.045 |
 | >29.1 | 1.77 | 1.15–2.73 | 0.0091 | >38.1 | 2.08 | 0.96–4.5 | 0.063 |
| Maximum tracer uptake | ||||||||
| SUVmax | >12.8 | 1.78 | 1.18–2.69 | 0.0056 | >13.6 | 2.22 | 1.06–4.65 | 0.035 |
 | >10.5 | 1.57 | 1.02–2.4 | 0.039 | >10.5 | 2.38 | 1.05–5.39 | 0.037 |
| SURmax | >6.17 | 2.48 | 1.56–3.94 | <0.001 | >10.2 | 3.06 | 1.46–6.4 | 0.003 |
 | >5.56 | 2.18 | 1.4–3.37 | <0.001 | >5.26 | 4.07 | 1.55–10.71 | 0.004 |
| Mean tracer uptake | ||||||||
| SUVmean | >8.14 | 1.68 | 1.12–2.52 | 0.013 | >6.86 | 3.29 | 1.25–8.64 | 0.016 |
 | >6.09 | 1.4 | 0.9–2.16 | 0.13 | >6.09 | 2.5 | 1.02–6.14 | 0.046 |
| SURmean | >4.46 | 2.27 | 1.46–3.53 | <0.001 | >4.9 | 4.05 | 1.72–9.52 | 0.001 |
 | >3.52 | 2.11 | 1.34–3.33 | 0.001 | >3.75 | 4.49 | 1.71–11.79 | 0.002 |