Table 1.
Clinical characteristics of patients
| Tumor regression (n=82) | ||||
|---|---|---|---|---|
| Characteristics | n | % | Correlation Coefficient | p-value |
| Gender | 0.1197 | 0.284 | ||
| Male | 69 | 84.1 | ||
| Female | 13 | 15.9 | ||
| Median age (y, range) | 59 (39–76) | −0.1179 | 0.291 | |
| ECOG scoring | 0.1307 | 0.242 | ||
| 0 | 16 | 19.5 | ||
| 1 | 66 | 80.5 | ||
| Tumor location | −0.2183 | 0.049 | ||
| Cervical | 9 | 11.0 | ||
| Upper | 31 | 37.8 | ||
| Middle | 38 | 40.3 | ||
| Lower | 4 | 4.9 | ||
| Clinical T stage | 0.0571 | 0.393 | ||
| T2 | 11 | 13.4 | ||
| T3 | 38 | 46.3 | ||
| T4 | 33 | 40.3 | ||
| Clinical N stage | 0.3932 | 0.001 | ||
| N0 | 24 | 29.3 | ||
| N1 | 58 | 70.7 | ||
| Clinical M stage | 0.1646 | 0.140 | ||
| M0 | 63 | 76.8 | ||
| M1 | 19 | 23.2 | ||
| Clinical stage | 0.2600 | 0.018 | ||
| II | 21 | 25.6 | ||
| III | 15 | 18.3 | ||
| IVA | 27 | 32.9 | ||
| IVB | 19 | 23.2 | ||
| Maxim tumor length (cm) | 5.5(2.5–14) | −0.0984 | 0.385 | |
| Maxim tumor width (cm) | 1.6(0.5–5.1) | −0.0745 | 0.512 | |
| Dose (Gy, range) | ||||
| GTV | 61.5 (50–66) | 0.0672 | 0.539 | |
| CTV | 50 (45–54) | −0.1269 | 0.256 |
Abbreviations: CTV, clinical target volume; ECOG, Eastern Cooperative Oncology Group; GTV, gross tumor volume.