Bellomo R, Goldsmith D, Uchino S, et al. Prospective controlled trial of effect of medical emergency team on postoperative morbidity and mortality rates. Critical Care Medicine. 2004;32(4):916-921.
Prospective, controlled before-after trial. In the control period, there were 301 adverse outcomes/1,000 surgical admissions, which decreased to 127/1,000 surgical admissions during the intervention period. There was also a significant decrease in the number of postoperative deaths.