The Incidence and Risk Factors for Lower Limb Skin Graft Failure

Table 3

Analysis of success grafts versus failed grafts, data presented as (𝑛, %) unless otherwise stated.

	Graft success (𝑛=48)	Failure (𝑛=22)	𝑃 value
Age (median)	79 years old	78 years old	0.908
Sex (male : female)	21 : 27	8 : 14	0.753
Venous insufficiency	25 (52%)	15 (60%)	0.547
Ischemic heart disease	24 (50%)	13 (59%)	0.702
Diabetes	11 (23%)	8 (36%)	0.374
Peripheral vascular disease	20 (42%)	16 (73%)	0.030
Smoking	7 (15%)	5 (23%)	0.605
BMI (median)	30	42	0.007
Bed rest	32 (67%)	16 (73%)	0.829
Vacuum dressing	30 (63%)	19 (86%)	0.093
Split thickness skin graft	44 (92%)	20 (91%)	0.999
Immunosuppressants	1 (2%)	5 (22%)	0.020
Acute operations	7 (14.5%)	4 (18%)	0.951
Graft size (median)	0.94 cm^2	1.28 cm^2	0.331