Table 1.
Patient characteristics
| Number of patients | 566 |
| Sex, male (%) | 351 (62.0) |
| Age, mean (SD), y | 72.0 (11.3) |
| ECOG performance status, n (%) | |
| 0, 1, 2 | 75 (13.3) |
| 3 | 217 (38.3) |
| 4 | 274 (48.4) |
| Palliative performance scale, n (%) | |
| 60‐ | 25 (4.4) |
| 30‐50 | 275 (48.6) |
| 10‐20 | 266 (47.0) |
| Palliative prognostic index, n (%) | |
| ≥6.5 | 543 (95.9) |
| <6.5 | 23 (4.1) |
| Prognosis estimation, n (%) | |
| Days | 109 (19.3) |
| Weeks | 272 (48.1) |
| Months | 185 (32.7) |
| Delirium subtypes | |
| Hyperactive subtype, n (%) | 197 (34.8) |
| Mixed motor subtype, n (%) | 202 (35.7) |
| Hypoactive subtype, n (%) | 167 (29.5) |
| Setting, n (%) | |
| Consultation with psycho‐oncologists in general hospitals | 203 (35.9) |
| Palliative care units | 363 (64.1) |
| Primary tumor sites, n (%) | |
| Lung | 128 (22.6) |
| Esophagus | 18 (3.2) |
| Stomach | 53 (9.4) |
| Colon/rectum | 61 (10.8) |
| Liver/biliary system/pancreas | 95 (16.8) |
| Breast | 30 (5.3) |
| Kidney/bladder/urinary tract/prostate | 53 (9.4) |
| Uterine/ovary | 33 (5.8) |
| Head and neck | 29 (5.1) |
| Blood/lymph node | 22 (3.9) |
| Brain | 5 (0.9) |
| Others | 39 (6.9) |
Abbreviations: ECOG, Eastern Cooperative Oncology Group.