Table 8 The C/T ratio for tumor localization according to MSBOS
Tumor localization | T (%) | Old C/T ratio | New C/T ratio |
|---|---|---|---|
Maxillofacial | |||
Very low risk | 26.7 | 4.61 | 3.26 |
Low risk | 30.9 | 5.15 | 3.48 |
Moderate risk | 58.0 | 2.55 | 2.46 |
High risk | 71.4 | 2.06 | 2.20 |
Buccal mucosa | |||
Very low risk | 12.5 | 6.54 | 5.29 |
Low risk | 29.0 | 5.35 | 3.94 |
Moderate risk | 60.3 | 1.87 | 2.55 |
High risk | 73.3 | 1.77 | 2.04 |
Floor of mouth | |||
Very low risk | 12.0 | 11.91 | 6.96 |
Low risk | 21.7 | 6.27 | 3.00 |
Moderate risk | 44.6 | 2.64 | 3.03 |
High risk | 100.0 | 1.62 | 1.97 |
Oropharynx | |||
Very low risk | 26.3 | 3.59 | 2.56 |
Low risk | 30.9 | 4.48 | 4.21 |
Moderate risk | 63.0 | 2.38 | 2.49 |
High risk | 87.5 | 1.58 | 1.38 |
Tongue | |||
Very low risk | 7.9 | 11.93 | 5.86 |
Low risk | 26.7 | 5.11 | 4.94 |
Moderate risk | 51.4 | 3.02 | 2.64 |
High risk | 70.0 | 2.08 | 1.18 |
Salivary adenocarcinoma | |||
Very low risk | 23.5 | 3.47 | 2.63 |
Low risk | 31.6 | 5.22 | 3.88 |
Moderate risk | 93.5 | 2.72 | 2.45 |
High risk | 90.0 | 1.52 | 2.16 |
Total C/T ratio | 3.91 | 3.10 | |