Table 1.
Demographic and Clinicopathological Characteristics of the 82 Patients.
| Characteristic | Value |
|---|---|
| Male sex — no. (%) | 43 (52) |
| Age — yr | |
| Mean | 51 |
| Range | 25–78 |
| Race — no. (%)* | |
| White | 46 (56) |
| Asian | 29 (35) |
| Other | 7 (9) |
| ECOG performance status — no. (%)† | |
| 0 | 24 (29) |
| 1 | 44 (54) |
| 2 | 13 (16) |
| 3 | 1 (1) |
| No. of previous therapies — no. (%) | |
| 0 | 5 (6) |
| 1 | 27 (33) |
| 2 | 15 (18) |
| ≥3 | 34 (41) |
| Not reported | 1 (1) |
| Histologic analysis — no. (%) | |
| Adenocarcinoma | 79 (96) |
| Squamous-cell carcinoma | 1 (1) |
| Other | 2 (2) |
| Smoking history — no. (%)‡ | |
| Never | 62 (76) |
| ≤10 pack-yr | 15 (18) |
| >10 pack-yr | 5 (6) |
*
Race was self-reported.
†
The Eastern Cooperative Oncology Group (ECOG) performance score ranges from 0 to 5, with higher scores indicating a greater degree of disability. One patient with an ECOG performance score of 2 at enrollment had a score of 3 by the start of treatment.
‡
Data on patients’ smoking history are based on correspondence with investigators.