How valid is the AHRQ Patient Safety Indicator "postoperative physiologic and metabolic derangement"?
Borzecki AM, Cevasco M, Chen Q, Shin M, Itani KM, Rosen AK. How valid is the AHRQ Patient Safety Indicator "postoperative physiologic and metabolic derangement"? J Am Coll Surg. 2011 Jun; 212(6):968-976.e1-2.