Table 1.
Baseline characteristics of patients with unresectable esophageal squamous cell carcinoma (all randomized; n = 142)
| Arm A (n = 71) | Arm B (n = 71) | |
|---|---|---|
| Age, years | ||
| Median (range) | 63 (37–75) | 62 (43–74) |
| Sex | ||
| Male/female | 67/4 | 61/10 |
| PS (ECOG) | ||
| 0 | 35 | 35 |
| 1 | 35 | 35 |
| 2 | 1 | 1 |
| Location† | ||
| Upper | 19 | 21 |
| Middle | 50 | 46 |
| Lower | 2 | 4 |
| cTNM (UICC) | ||
| T | ||
| T1 | 2 | 0 |
| T2 | 6 | 2 |
| T3 | 11 | 13 |
| T4 | 52 | 56 |
| N | ||
| N0 | 10 | 10 |
| N1 | 61 | 61 |
| M | ||
| M0 | 41 | 42 |
| M1a | 11 | 14 |
| M1b | 19 | 15 |
| cStage (UICC) | ||
| IIB | 3 | 1 |
| III | 38 | 41 |
| IVA | 11 | 14 |
| IVB | 19 | 15 |
†
Lower, lower thoracic esophageal cancer; Middle, middle thoracic esophageal cancer; Upper, upper thoracic esophageal cancer. ECOG, Eastern Cooperative Oncology Group; PS, performance status; UICC, Union for International Cancer Control.