From: Brachytherapy of stage II mobile tongue carcinoma. Prediction of local control and QOL
 |  | Relapse free survival | Overall survival | Cervical metastasis free survival | |||
---|---|---|---|---|---|---|---|
Variables | Â | AHR | P value | AHR | P value | AHR | P value |
Growth pattern | Â | Â | Â | Â | Â | Â | Â |
 | Superficial vs. exophytic | 2.17 | 0.84 | 4.93 | 0.06 | 0.70 | 0.15 |
 | Superficial vs. invasive | 3.15 | 0.02 | 7.69 | 0.02 | 1.26 | <0.001 |
Tumor thickness (mm) | Â | Â | Â | Â | Â | Â | Â |
 | ≤5 vs. 6–10 | 0.82 | 0.62 | 1.02 | 0.98 | 2.85 | <0.001 |
 | ≤5 vs. 10–15 | 2.10 | 0.09 | 1.25 | 0.73 | 3.02 | <0.001 |
 | ≤5 vs. > 15 | 1.24 | 0.66 | 1.93 | 0.33 | 5.47 | <0.001 |
AHR: adjusted hazard ratio | Â | Â | Â | Â | Â | Â | Â |