Table 1 Characteristics of participants according to postoperative delirium.
From: Neural predisposing factors of postoperative delirium in elderly patients with femoral neck fracture
Variable | DEL group (n = 25) | No-DEL group (n = 32) | T or χ² | P |
|---|---|---|---|---|
Demographics | ||||
     Age, mean (SD), year | 83.7 (6.1) | 80.9 (6.6) | 1.64 | 0.11 |
     Female sex, No. (%)†| 18 (72%) | 29 (91%) | 3.37 | 0.07 |
     Education, mean (SD), year | 8.7 (4.2) | 7.9 (4.9) | 0.64 | 0.53 |
Medical history, No. (%)†| ||||
     Major mental disorder history | 5 (20%) | 3 (9%) | 1.31 | 0.28 |
     Dementia history | 5 (20%) | 3 (9%) | 1.31 | 0.28 |
     Delirium history | 4 (16%) | 2 (6%) | 1.22 | 0.39 |
     Other mental disorder history | 1 (4%) | 1 (3%) | 0.32 | 1.00 |
     Brain injury history | 3 (12%) | 6 (19%) | 0.56 | 0.72 |
     Psychiatry family history | 8 (32%) | 6 (19%) | 1.33 | 0.25 |
     Hypertension | 18 (72%) | 22 (69%) | 0.07 | 0.79 |
     Diabetes | 8 (32%) | 10 (31%) | 0.00 | 0.95 |
Cognitive measure, mean (SD) | ||||
     MMSE, score | 16.5 (6.3) | 20.5 (6.2) | −2.41 | 0.02 |
Personality scale, mean (SD) | ||||
     BFI-Agreeableness, score | 6.2 (2.4) | 6.8 (1.5) | −1.19 | 0.24 |
     BFI-Conscientiousness, score | 7.8 (1.9) | 8.2 (1.8) | −0.91 | 0.37 |
     BFI-Extraversion, score | 6.2 (1.9) | 6.3 (1.4) | −0.21 | 0.84 |
     BFI-Neuroticism, score | 7.7 (1.3) | 6.5 (1.2) | 3.61 | 0.00 |
     BFI-Openness, score | 6.1 (2.1) | 6.5 (1.3) | −0.87 | 0.39 |
