Table 1. Patients'(n=119) characteristics.
| Parameter | 70≦ Age ≦75 | Age >75 | Total | P |
|---|---|---|---|---|
| N (%) | N (%) | N (%) | ||
| Sex | 0.403 | |||
| Male | 36(55.4%) | 34(63.0%) | 70 (58.8%) | |
| Female | 29(44.6%) | 20(37.0%) | 49 (41.2%) | |
| Tumor number | 0.136 | |||
| Single | 63 (96.9%) | 45(88.2%) | 108 (93.1%) | |
| Multiple | 2(3.1%) | 6(11.8%) | 8 (6.9%) | |
| Comorbidity | 0.208 | |||
| Yes | 34(52.3%) | 22(40.7%) | 56(47.1%) | |
| No | 31(47.7%) | 32(59.3%) | 63(52.9%) | |
| ECOG PS | 0.243 | |||
| 0-1 | 63(56.2%) | 49(43.8%) | 112 | |
| ≥2 | 2(28.6%) | 5(71.4%) | 7 | |
| Tumor differentiation | 0.085 | |||
| I-II | 38(62.3%) | 23(37.7%) | 61 | |
| III-IV | 27(46.6%) | 31(53.4%) | 58 | |
| One-year survival | 0.105 | |||
| Alive | 55(57.9%) | 40(42.1%) | 95 | |
| Dead | 9(39.1%) | 14(60.9%) | 23 | |
| BMI (kg/m2) | ||||
| <18.5 | 0 | 0 | 0 | |
| ≥18.5 | 64(55.2%) | 52(44.8%) | 116 | |
| Alb (g/l) | 0.076 | |||
| <35.0 | 6(35.3%) | 11(64.7%) | 17 | |
| ≥35.0 | 59(58.4%) | 42(41.6%) | 101 | |
| Tumor resection | 0.077 | |||
| Yes | 63(57.3%) | 47(42.7%) | 110 | |
| No | 2(22.2%) | 7(77.8%) | 9 |
Abbreviations: ECOG, Eastern Cooperative Oncology Group; PS, performance status; BMI, body mass index; Alb, albumin.