Table 1.
Patient characteristics and treatment modality of 276 patient with oropharyngeal and hypopharyngeal squamous cell carcinoma.
| Variables | Number [Total 276] | Percentage |
|---|---|---|
| Patient characteristics | ||
| Site of primary lesion | ||
| Hypopharynx | 135 | 49% |
| Oropharynx | 141 | 51% |
| Age | ||
| >65 years old | 128 | 46% |
| ≤65 years old | 148 | 54% |
| Gender | ||
| Male | 253 | 92% |
| Female | 23 | 8% |
| Karnofsky Performance Scale | ||
| ≥90 | 205 | 74% |
| <90 | 71 | 26% |
| Current smoker | ||
| Yes | 119 | 43% |
| No | 157 | 57% |
| Smoking history | ||
| ≥10 packs year | 208 | 75% |
| <10 packs year | 68 | 25% |
| Clinical T stage | ||
| 4 | 43 | 16% |
| 3 | 79 | 29% |
| 2 | 113 | 41% |
| 1 | 41 | 15% |
| Clinical N stage | ||
| 3 | 23 | 8% |
| 2 | 126 | 46% |
| 1 | 41 | 15% |
| 0 | 86 | 31% |
| Treatment modality | ||
| Radiation method | ||
| IMRT | 53 | 19% |
| Conventional 3D-CRT | 223 | 81% |
| Radiation fractionation | ||
| Once daily | 244 | 88% |
| Twice daily | 8 | 3% |
| Concomitant boost | 24 | 9% |
| Neck dissection | ||
| Yes | 41 | 15% |
| No | 235 | 85% |
| Concurrent chemotherapy | ||
| Yes | 112 | 41% |
| DCF | 36 | 13% |
| CF | 43 | 16% |
| Platinum alone | 20 | 7% |
| Other regimens | 13 | 5% |
| No | 164 | 59% |
| Induction chemotherapy | ||
| Yes | 93 | 34% |
| DCF | 80 | 29% |
| CF | 11 | 4% |
| Other regimens | 3 | 1% |
| No | 182 | 66% |