In-hospital stay. Days in hospital after admission with acute extremity trauma and treated with flaps in patients 4 years before and after start of multidisciplinary collaboration (MDC). Data includes all admissions, i.e. also secondary revisions. Dots and squares represent individual patients. Six patients before the start of MDC and 25 after the start of MDC were treated with either free or pedicled flaps due to acute extremity trauma with soft tissue defects.