Sociodemographic and clinical data of the patients
| % (n) or mean (95% CI) | |
| Age (n=122) | 61.3 (95% CI 59.1 to 63.4) |
| Sex (n=122) | |
| Male | 58.2 (71) |
| Female | 41.8 (51) |
| Race (n=121) | |
| Caucasian | 99.2 (120) |
| Black | 0.8 (1) |
| Socioeconomic level (n=121) | |
| Low | 18.3 (21) |
| Middle | 69.6 (80) |
| High | 12.2 (14) |
| Body mass index (BMI), kg/m2 (n=118) | 24.9 (24.1 to 25.6) |
| Classification according to BMI (n=118) | |
| Cachexia (<20 kg/m2) | 11 (13) |
| Normal (≥20 to <25 kg/m2) | 39.8 (47) |
| Overweight (≥25 to <30 kg/m2) | 38.1 (45) |
| Obese (≥30 kg/m2) | 11 (13) |
| Karnofsky performance status (n=122) | 77.1 (95% CI 74.9 to 79.3) |
| Organ affected by the cancer (n=123) | |
| Lung | 35.7 (45) |
| Breast | 15.1 (19) |
| Gastrointestinal | 11.1 (14) |
| Prostate | 8.7 (11) |
| Others | 27 (34) |
| Time from cancer diagnosis (n=111) | 21.3 months (95% CI 16.8 to 25.9) |
| Presence of metastases (n=110) | 75.5 (83) |