Table 1.
The general information of delirium and non-delirium patients
| Items | Delirium group(n = 82) | Non-delirium group(n = 486) | t/χ2 | p |
|---|---|---|---|---|
| Age | 79.5 ± 5.33 | 70.2 ± 5.08 | 15.374 | 0.009 |
| Male/female | 29/53 | 185/301 | 2.209 | 0.083 |
| BMI (kg/m2) | 22.3 ± 3.15 | 22.4 ± 2.93 | 1.812 | 0.066 |
| Hypertension | 43/39 | 260/226 | 1.174 | 0.125 |
| Diabetes mellitus | 22/60 | 125/361 | 1.390 | 0.097 |
| Hyperlipidemia | 13/69 | 79/407 | 3.357 | 0.866 |
| History of delirium | 38/44 | 41/445 | 1.194 | 0.031 |
| Type of fracture | 1.127 | 0.095 | ||
| Femoral neck fracture | 30 | 183 | ||
| Intertrochanteric fracture | 51 | 299 | ||
| Subtrochanteric fracture | 1 | 4 | ||
| Preoperative ADL score | 95.4 ± 5.04 | 94.9 ± 5.18 | 17.316 | 0.230 |
| Method of anesthesia | 1.182 | 0.094 | ||
| Lumbar anaesthesia | 47 | 292 | ||
| General anaesthesia | 35 | 194 |
Notes: BMI body mass index. ADL ability of daily living score