Table 4.
Univariate and multivariate analysis for disease-free survival of patients with primary OSCC
| Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| HR (95% CI) | P | HR (95% CI) | P | |
| Sex | 0.466 | |||
| Male | 1.00 | |||
| Female | 0.73 (0.32–1.69) | |||
| Age(years) | 0.834 | |||
| <60 | 1.00 | |||
| ≥ 60 | 1.08 (0.52–2.23) | |||
| T stage | 0.884 | |||
| T1 ~ T2 | 1.00 | |||
| T3 ~ T4 | 1.05 (0.53–2.08) | |||
| N stage | 0.003 | 0.007 | ||
| N0 | 1.00 | 1.00 | ||
| N1 | 0.68 (0.20–2.38) | 0.548 | 0.723 (0.21–2.55) | 0.619 |
| N2 | 2.20 (1.05–4.57) | 0.036 | 2.46 (1.16–5.23) | 0.019 |
| N3 | 33.94 (3.65–315.9) | 0.002 | 19.34 (2.00–186.96) | 0.010 |
| Clinical stage | 0.499 | |||
| I ~ II | 1.00 | |||
| III ~ IV | 1.29 (0.62–2.72) | |||
| Pre. D-dimer | 0.033 | 0.056 | ||
| <500 μg/L | 1.00 | 1.00 | ||
| ≥ 500 μg/L | 2.10 (1.06–4.16) | 1.98 (0.98–3.97) | ||
| Pre. FIB | 0.097 | 0.100 | ||
| <3.33 g/L | 1.00 | 1.00 | ||
| ≥ 3.33 g/L | 1.88 (0.89–3.95) | 1.94 (0.88–4.26) | ||
| Pre. PLT | 0.699 | |||
| <259.5*10^9/L | 1.00 | |||
| ≥ 259.5*10^9/L | 0.86 (0.40–1.84) | |||
| Surgical type | 0.732 | |||
| 1 | 1.00 | |||
| 2 | 1.40 (0.57–3.44) | 0.461 | ||
| 3 | 1.53 (0.70–3.34) | 0.284 | ||
| 4 | 0.00 (0.00-) | 0.983 | ||
| Post.DD change | 0.791 | |||
| <1000 μg/L | 1.00 | |||
| ≥ 1000 μg/L | 1.16 (0.39–3.46) | |||
| Post. PLT change | 0.622 | |||
| <60*10^9/L | 1.00 | |||
| ≥ 60*10^9/L | 1.22 (0.55–2.74) | |||
* means multiplication