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Table 1 Characteristics of Patients With and Without Delirium.

From: Markers of cerebral damage during delirium in elderly patients with hip fracture

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
  1. Mean values (SD) are given for continuous variables with a normal distribution,
  2. Median values (inter-quartile ranges) are given for variables that are not normally distributed.
  3. ADL: Activities of daily living;
  4. *Values of 47 delirious patients during delirium vs. 48 patients without delirium.