Table II.
Demographic data and tumour staging for each group.
| NBI-TORS (n = 37) |
WLI-TORS (n = 21) |
p | |||
|---|---|---|---|---|---|
|
Mean Age ± SD |
66.1 ± 9.9 | 66.3 ± 8.3 | |||
| Male:Female | 24:13 | 16:5 | |||
| Tumour stage | |||||
| cT1 | 18 | 9 | 0.27 | ||
| cT2 | 16 | 8 | |||
| cT3 | 2 | 4 | |||
| cT4 | 1 | - | |||
| pT1 | 18 | 14 oropharynx | 9 | 8 oropharynx | 0.24 |
| 1 hypopharynx | 1 hypopharynx | ||||
| 2 larynx | |||||
| 1 oral cavity | |||||
| pT2 | 17 | 14 oropharynx | 8 | 8 oropharynx | |
| 2 hypopharynx | |||||
| 2 larynx | |||||
| 1 nasopharynx | |||||
| pT3 | 1 | 1 larynx | 3 | 3 larynx | |
| pT4 | 2 | 2 larynx | 1 | 1 larynx |
TORS: TransOral Robotic Surgery; NBI: Narrow Band Imaging; WLI: White Light Imaging; SD: Standard Deviation.