Table 4. Multivariate survival analyses of MMP-11 and clinicopathological parameters among patients with OSCC using the Cox regression model.

All cases (N=279)	Hazard ratio (95% CI)	p value
Clinical stage (stage I + II versus stage III + IV)	0.601 (0.202–1.788)	0.360
T status (T1 + T2 versus T3 + T4)	2.878 (1.150–7.204)	0.024*
N status (N0 versus N1 + N2 + N3)	4.655 (1.973–10.984)	< 0.001*
Grade (Well versus moderate, poor)	1.662 (0.813–3.397)	0.164
MMP-11 (weak versus strong)	1.726 (1.017–2.930)	0.043*

* p value < 0.05 as statistically significant.