Characteristic | Study Group | All patients | P value | |
---|---|---|---|---|
No Delirium n = 39 (%) | Delirium n = 21 (%) | Total n = 60 (%) | ||
Age, yrsa | 67 (60–75) | 68 (61–75) | 67 (60–75) | 0.687 |
Sex: female | 20 (51.3) | 7 (33.3) | 27 (45.0) | 0.183 |
Primary cancer | ||||
 Lung | 13 (33.3) | 7 (33.3) | 20 (33.3) | 0.544 |
 Gastrointestinal | 9 (23.1) | 7 (33.3) | 16 (26.7) | |
 Genitourinary | 6 (15.4) | 2 (9.5) | 8 (13.3) | |
 Breast | 5 (12.8) | 1 (4.8) | 6 (10.0) | |
 Primary Brain | 1 (2.6) | 1 (4.8) | 2 (3.3) | |
 Hematologic | 0 (0) | 2 (9.5) | 2 (3.3) | |
 Head & Neck | 1 (2.6) | 0 (0) | 1 (1.7) |  |
 Other | 4 (10.3) | 1 (4.8) | 5 (8.3) |  |
Metastatic sites of cancer | ||||
 Lungs | 14 (35.9) | 6 (28.6) | 20 (33.3) | 0.566 |
 Liver | 17 (43.6) | 9 (42.9) | 26 (43.3) | 0.956 |
 Brain | 11 (28.2) | 9 (42.9) | 20 (33.3) | 0.251 |
 Leptomeninges | 3 (7.7) | 3 (14.3) | 6 (10.0) | 0.078 |
 Bone | 21 (53.9) | 10 (47.6) | 31 (51.7) | 0.645 |
Charlson Comorbidity Index (CCI)a | 10 (9–12) | 10 (9–13) | 10 (9–12) | 0.919 |
Palliative Performance Scorea | 40 (30–50) | 40 (30–40) | 40 (30–50) | 0.036 |
Baseline Goals of Care | ||||
 Comfort only | 7 (17.9) | 6 (28.6) | 13 (21.7) | 0.301 |
 Medical | 23 (59.0) | 14 (66.7) | 37 (61.7) | |
 Medical & Transfer to Acute Care | 8 (20.5) | 1 (4.8) | 9 (15.0) | |
 Full Resuscitation | 1 (2.6) | 0 (0) | 1 (1.7) | |
Highest educational level achieved | ||||
 Elementary | 1 (2.6) | 1 (4.76) | 2 (3.3) | 0.959 |
 Junior High School | 2 (5.13) | 1 (4.76) | 3 (5.00) | |
 High School | 6 (15.4) | 3 (14.3) | 9 (15) | |
 University / 3rd level | 12 (30.8) | 8 (38.1) | 20 (33.3) | |
 Unknown | 18 (46.5) | 8 (38.1) | 26 (43.3) | |
Cognitive and psychiatric status at admission | ||||
 Short Orientation Memory Concentration Test Score (SOMCT)a | 2 (0–4) | 6 (2–10) | 2 (0–6) | 0.013 |
 Recent neurocognitive symptoms (per admission history and assessments)b | ||||
  Perceptual disturbance | 3 (7.7) | 3 (14.3) | 6 (10.0) | 0.417 |
  Delusional disturbance | 0 (0) | 0 (0) | 0 (0) |  |
  Attention problemsc | 4 (10.3) | 8 (38.1) | 12 (20.0) | 0.003 |
  Sleep pattern disturbedc | 7 (18.0) | 3 (14.3) | 10 (16.7) | 0.443 |
 Insomnia severity index (ISI) scorea | 10 (3–14) | 5.5 (1–12.5) | 9 (3–13) | 0.336 |
 Previous delirium episode | ||||
  Documented occurrence | 7 (18.0) | 6 (28.6) | 13 (21.7) | 0.562 |
  Unknown | 7 (18.0) | 4 (19.1) | 11 (18.3) | |
 Dementia diagnosisc | 3 (7.7) | 1 (4.8) | 4 (6.7) | 0.536 |
 Cognitive deficits without dementia | ||||
  Documented | 2 (5.1) | 3 (14.3) | 5 (8.3) | 0.601 |
  Unknown | 2 (5.1) | 1 (4.8) | 3 (5.0) | |
 Mood disorder diagnosisc | 7 (18.0) | 1 (4.8) | 8 (13.3) | 0.268 |
 Anxiety disorder diagnosisc | 3 (7.7) | 3 (14.3) | 6 (10.0) | 0.546 |
Metabolic abnormalities at admission | ||||
 Hypoalbuminemia | 23 (59.0) | 16 (76.2) | 39 (65.0) | 0.258 |
 Hyponatremia | 4 (10.3) | 4 (19.1) | 8 (13.3) | 0.433 |
 Hypercalcemia | 2 (5.1) | 1 (4.8) | 3 (5.0) | 1.000 |
 Low Hemoglobin (<  100 g/L) | 9 (23.1) | 8 (38.1) | 17 (28.3) | 0.243 |
 Hypoxia requiring Oxygen therapy | 7 (18.0) | 5 (23.8) | 12 (20.0) | 0.737 |
Medications at admission | ||||
 Number of medications prescribeda | 12 (10–16) | 10.5 (8–14) | 12 (8–15) | 0.187 |
 Psychoactive medicationsa | 2 (1–4) | 2 (1–4) | 2 (1–4) | 0.641 |
 Morphine equivalent daily dose (MEDD)a | 30 (5–150) | 60 (2.5–90) | 54 (4.5–132) | 0.944 |
 Diazepam equivalent daily dosea | 0 (0) | 0 (0) | 0 (0) | 0.487 |
 Prednisone equivalent daily dosea | 12.25 (0–40) | 13 (0–50) | 12.5 (0–40) | 0.868 |