Effect of early surgery in high surgical risk geriatric patients with femoral neck fracture and taking antiplatelet agents

Table 1 Patients’ characteristic data

		ES group (n = 49)	DS group (n = 45)	P value
Age1, yr		80 ± 8	81 ± 8	0.67
Female gender		34 (69)	35 (78)	0.36
BMI1, kg/m2		22.6 ± 2.8	23.3 ± 4.4	0.40
Fracture right side		24 (49)	24 (53)	0.67
No. of comorbid diseases
	0-1	18 (37)	11 (24)	0.25
	2 or more	31 (63)	34 (76)
ASA physical status
	3	39 (80)	28 (62)	0.07
	4	10 (20)	17 (38)
Time to surgery1		1.6 ± 0.9	8.9 ± 3.6	< 0.01
Type of antiplatelet agents
	Aspirin alone	42 (86)	36 (80)	0.59
	Clopidogrel	7 (14)	9 (20)
Preinjury ambulation status
	Walk independently	42 (86)	36 (80)	0.67
	Walk with gait aid	7 (14)	8 (18)
	Wheel chair or bed ridden	0 (0)	1 (2)
Preoperative laboratory value1
	Hemoglobin, g/dL	12.0 ± 1.6	11.2 ± 1.2	< 0.01
	Platelet count, × 103/mm3	241 ± 85	284 ± 96	0.03
	Creatinine clearance, mg/dL	1.3 ± 1.1	1.7 ± 1.7	0.92
	Serum albumin, g/L	35.6 ± 4.4	34.9 ± 5.3	0.53
	aPTT, s	27.5 ± 3.6	26.6 ± 4.3	0.34
	PT, s	11.9 ± 1.1	12.4 ± 2.5	0.23
Regional anesthesia		31 (63)	31 (69)	0.66
Type of operation
	Cemented	26 (53)	37 (82)	< 0.01
	Cementless	23 (47)	8 (18)
Operative time1, min		98 ± 27	102 ± 34	0.48

¹Value presented as mean ± SD; value presented as no. of patients (percentage). BMI: Body mass index; ASA: American Society of Anesthesiologists; aPtt: Activated partial thromboplastin time; PT: Prothrombin time.