Table 2 Univariate analysis of postoperative delirium in elderly patients with hip fracture
Variables | Delirium group (n = 177) | no delirium group (n = 1065) | p -value |
|---|---|---|---|
Sociodemographic data | |||
age(IQR), years | 81(74,85) | 80(74,86) | 0.94 |
gender, n (%) | 0.29 | ||
males | 65(36.7%) | 348(32.7%) | |
female | 112(63.3%) | 717(67.3%) | |
Past medical history | |||
hypertension | 102(57.6%) | 616(57.8%) | 0.96 |
coronary heart disease | 37(20.9%) | 269(25.3%) | 0.21 |
diabetes mellitus | 37(20.9%) | 314(29.5%) | 0.02 |
cardiac dysrhythmia | 23(13.0%) | 115(10.8%) | 0.39 |
heart failure | 17(9.9%) | 52(5.5%) | 0.03 |
stroke | 70(39.5%) | 319(30.0%) | 0.01 |
renal insufficiency | 8(4.5%) | 58(5.4%) | 0.61 |
Post-injury factors | 0.00 | ||
increased NLR group | 109(61.6%) | 200(18.8%) | 0.00 |
admission to operating time(≥2d) | 151(85.3%) | 592(74.4%) | 0.00 |
fracture type | 0.80 | ||
intertrochanteric | 102(57.6%) | 603(56.6%) | |
femoral neck | 75(42.4%) | 462(43.4%) | |
length of stay | 12(9–16) | 11(9–14) | 0.03 |
Perioperative complications | 50(28.2%) | 138(13.0%) | 0.00 |
Surgery related factors | |||
anesthesia | 0.03 | ||
general | 65(36.7%) | 305(28.6%) | |
regional | 112(63.3%) | 760(71.4%) | |
surgical approach | 0.41 | ||
Intramedullary nail | 86(48.6%) | 553(51.9%) | |
Sliding hip screw | 12(6.8%) | 53(5.0%) | |
Hip arthoplasty | 50(28.2%) | 322(30.2%) | |
Cancellous screws | 29(16.4%) | 137(12.9%) |