In order to study the relation between length of operation and postoperative morbidity in patients with burns greater than 30% TBSA a retrospective review was done. Seven categories of morbidity were chosen and points assigned for significant change from the preoperative state. There were no intraoperative or immediate postoperative deaths. The overall morbidity was 19%. The eventual mortality was 19%. There was no correlation between length of operation and postoperative morbidity.