Increased Postoperative Bleeding Risk among Patients with Local Flap Surgery under Continued Clopidogrel Therapy

Table 1

Postoperative bleeding complications in control and clopidogrel therapy groups.

Features and parameters	Anticoagulant therapy		Comparison; Control versus clopidogrel
	Control	Clopidogrel
Number of total cases	527	123
Demographic features
Age (years)	73 ± 10	76.0 ± 7.9	= 0.001
Male/female	255/272	101/22	< 0.001
Dignity of tumor
Benign	256	55	No significant difference; ()
Malignant	271	68
Postoperative bleeding
No bleeding	518	117
Bleeding	9	6
Bleeding incidence; 95% confidential interval	1.7%; 0.9–3.2%	4.9%; 2.3–10.2%
Time of bleeding after surgery
Same day	5	1	Too small sample size for statistic evaluation
Day 1	3	4
Day 3	1	0
Day 4	0	1