Table 1.
Characteristics of Patients With and Without Delirium.
| Variables | Delirium (N = 62) |
No delirium (N = 58) |
p-value |
| Age (yrs) | 84.8 (6.9) | 82.9 (7.0) | 0.14 |
| Male gender (%) | 16 (26) | 23 (40) | 0.11 |
| Living at home (%) | 30 (48) | 51 (88) | < 0.001 |
| Pre-admission functional impairment (number of ADL disabilities) | 8 (6–11) | 4 (2–6) | < 0.001 |
| Number of medication at home | 5 (2–7) | 4 (2–6) | 0.18 |
| Pre-admission cognitive impairment (%) | 39 (67) | 10 (18) | < 0.001 |
| Days between fracture and operation | 1 (0–1) | 1 (1–2) | 0.49 |
| Spinal anesthesia (%) | 22 (36) | 19 (33) | 0.35 |
| Fracture characteristics (%) | 0.54 | ||
| Femoral neck | 25 (40) | 28 (48) | |
| Intertrochanteric | 33 (53) | 25 (43) | |
| Other | 4 (7) | 5 (9) | |
| Type of surgery (%) | 0.64 | ||
| Internal fixation | 40 (65) | 35 (60) | |
| Hip replacement | 22 (36) | 23 (40) | |
| Complication (%)-total | 29 (50) | 22 (38) | 0.19 |
| IL-6 (pg/ml)* | 51 (28–88) | 36 (14–58) | 0.01 |
| IL-8 (pg/ml)* | 15 (7.9–37) | 9.3 (4.6–17) | 0.03 |
| Admission length | 14 (8–23) | 11 (8–14) | 0.04 |
| Death within 3 month (%) | 11 (18) | 5 (9) | 0.14 |
Mean values (SD) are given for continuous variables with a normal distribution,
Median values (inter-quartile ranges) are given for variables that are not normally distributed.
ADL: Activities of daily living;
*Values of 47 delirious patients during delirium vs. 48 patients without delirium.