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Table 1 Characteristics of included patients

From: Factors associated with post-operative delirium in hip fracture patients: what should we care

Items Delirium group (n = 32) No delirium group (n = 213) t/χ2 p
Age (years) 78.84 ± 7.36 71.21 ± 5.83 10.731 0.014
Male/female 12/20 84/129 1.926 0.085
BMI (kg/m2) 25.32 ± 3.56 21.20 ± 2.98 1.142 0.026
Hypertension 21 (62.63%) 110 (51.64%) 1.165 0.101
Diabetes mellitus 13 (40.63%) 78 (36.62%) 1.224 0.094
Hyperlipidemia 14 (43.75%) 82 (38.50%) 1.707 0.089
History of delirium 17 (5 3.13%) 19 (8.92%) 1.113 0.021
Type of fracture    1.188 0.107
 Femoral neck fracture 13 (40.63%) 81 (38.03%)   
 Intertrochanteric fracture 18 (56.25%) 129 (60.56%)   
 Subtrochanteric fracture 1 (3.12%) 3 (1.41%)   
Preoperative ADL score 95.42 ± 7.18 94.95 ± 9.84 22.107 0.073
Time to surgery (days) 1.84 ± 1.04 1.77 ± 1.16 1.842 0.109
Method of anesthesia    1.882 0.096
 Lumbar anaesthesia 19 (59.38%) 124 (58.22%)   
 General anaesthesia 13 (40.63%) 89 (41.78%)   
Estimated blood loss (mL) 455.07 ± 62.85 369.12 ± 58.23 38.467 0.002
Duration of surgery (min) 147.12 ± 36.77 102.37 ± 24.16 19.236 0.008