Artificial dermis combined with skin grafting for the treatment of hand skin and soft tissue defects and exposure of bone and tendon

Table 1 General information on the study patients

Variable	Observation group	Control group
Sex (male/female)	42/7	14/3
Age, yr (mean ± SD)	45.18 ± 14.04	45.94 ± 13.06
BMI	26.72 ± 6.35	27.08 ± 5.07
Wound area, cm2 (mean ± SD)	3.6 ± 0.47	3.7 ± 0.43
Exposed area, cm2 (mean ± SD)	3.0 ± 0.32	3.1 ± 0.35
Leakage type (Tendon/bone)	5/45	1/17

BMI: Body mass index.