Table V.
Characteristics of the elderly and non-elderly patients.
| Characteristics | Total, no. (%) (n=136) | Elderly, no. (%) (n=46) | Non-elderly, no. (%) (n=90) |
|---|---|---|---|
| Age, years median (range) | 66 (37–83) | 74 (70–83) | 63 (37–69) |
| Gender | |||
| Male | 91 (67) | 32 (70) | 59 (66) |
| Female | 45 (33) | 14 (30) | 31 (34) |
| ECOG performance status | |||
| 0–1 | 130 (96) | 44 (96) | 86 (96) |
| 2 | 6 (4) | 2 (4) | 4 (4) |
| Pathology | |||
| Adenocarcinoma | 68 (50) | 26 (57) | 42 (47) |
| Squamous cell carcinoma | 27 (20) | 8 (17) | 19 (21) |
| Small-cell carcinoma | 23 (17) | 7 (15) | 16 (18) |
| Others | 18 (13) | 5 (11) | 13 (14) |
| Clinical stage (UICC-7) | |||
| I/II | 2 (2) | 2 (4) | 0 (0) |
| III | 33 (24) | 12 (26) | 39 (44) |
| IV | 65 (48) | 19 (41) | 28 (31) |
| Recurrence | 6 (4) | 3 (7) | 3 (3) |
| Adjuvant | 30 (22) | 10 (22) | 20 (22) |
| UGT1A1 polymorphism | |||
| Wild-type | 44 (32) | 20 (43) | 24 (27) |
| Heterozygous | 26 (19) | 10 (22) | 16 (18) |
| Non-test | 66 (49) | 16 (35) | 50 (55) |
ECOG, Eastern Cooperative Oncology Group; UICC, Union for International Cancer Control; UGT1A1, UDP glucuronosyltransferase 1 family, polypeptide A1.