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

Table 2

Features of bleeding versus nonbleeding cases regardless of clopidogrel therapy.

Features and parameters	Postoperative bleeding		Comparison; No bleeding versus bleeding
	No bleeding	bleeding
Number of total cases	635	15
Demographic features
Age (years)	73.3 ± 9.8	75.4 ± 8.8	No significant difference; (; )
Male/female	346/289	10/5
Type of the lesion
Benign/malignant	309/326	2/13
Type of surgery
Skin graft	38	4 (9.5%)	< 0.001
Local flap	178	8 (4.3%)
Mohs excision	207	2 (1.0%)
Excision	212	1 (0.9%)
Subregion of the lesion
Nose	120	7 (5.5%)	(nose versus all other regions)
Cheek	187	5 (2.6%)	No significant difference; ()
Forehead	107	1 (0.9%)
Ear	64	0
Others	157	2 (1.3%)
Defect size
Area (mm^2)	198.3 ± 212.25	291.8 ± 190.7	= 0.04
Depth (mm)	4.5 ± 3.5	5.6 ± 3.6	No significant difference; ( = 0.13)