Effect of perioperative psychological intervention on recovery in elderly hip fracture patients with comorbid post-traumatic stress disorder

Table 1 Baseline demographic and clinical characteristics of study participants, n (%)

Characteristics	Intervention group (n = 25)	Control group (n = 25)	P value
Demographics
Age (year), mean ± SD	78.2 ± 5.1	77.8 ± 6.2	0.73
Female sex	14 (56)	15 (60)	0.77
Living situation
Independent	16 (64)	15 (60)	0.85
With family	7 (28)	8 (32)	0.82
Assisted living	2 (8)	2 (8)	1.00
Clinical parameters
BMI, kg/m2, mean ± SD	25.3 ± 4.2	24.9 ± 3.8	0.68
MMSE score, mean ± SD	26.8 ± 2.1	26.5 ± 2.3	0.71
CAPS score, mean ± SD	45.6 ± 12.4	44.8 ± 11.9	0.66
Comorbidities
Hypertension	18 (72)	17 (68)	0.82
Diabetes mellitus	8 (32)	9 (36)	0.77
Coronary artery disease	6 (24)	7 (28)	0.75
Chronic pulmonary disease	5 (20)	4 (16)	0.71
Fracture type
Femoral neck	12 (48)	11 (44)	0.82
Intertrochanteric	9 (36)	10 (40)	0.78
Subtrochanteric	4 (16)	4 (16)	1.00
Preoperative status
ASA score, mean ± SD	2.8 ± 0.6	2.7 ± 0.5	0.69
Hemoglobin, g/dL, mean ± SD	12.1 ± 1.4	12.3 ± 1.3	0.74
Albumin, g/dL, mean ± SD	3.8 ± 0.4	3.7 ± 0.5	0.68
Time from injury to surgery (hours), mean ± SD	28.4 ± 8.2	29.1 ± 7.8	0.65

BMI: Body mass index; MMSE: Mini-Mental State Examination; CAPS: Clinician-Administered Post-Traumatic Stress Disorder Scale; ASA: American Society of Anesthesiologists.