Complications of anesthesia | 0.55 | Definition varies; underreporting; unspecific denominator; unknown validity |
Death in low mortality DRGs | 0.66 | Mixed severity; no published evidence of “explicit process” and “staffing” construct validity |
Decubitus ulcer | 21.5 | Mixed severity; case mix bias; underreporting; conflicting validity evidence |
Failure to rescue | 174.24 | May be unpreventable; mixed severity; perverse influence |
Foreign body left during procedure | 0.09 | Non-specific denominator; rare; needs stratification |
Iatrogenic pneumothorax | 0.67 | Non-specific denominator; unknown validity |
Selected infections due to medical care | 1.99 | Perverse influence; underreporting |
Postoperative hemorrhage or hematoma | 2.06 | Case mix bias; non-specific denominator; needs stratification |
Postoperative hip fracture | 0.80 | Case mix bias; non-specific denominator |
Postoperative physiological and metabolic derangement | 0.89 | Definition may vary; no published construct validity evidence |
Postoperative pulmonary embolism or deep venous thrombosis | 9.19 | Needs stratification; may be underreported |
Postoperative respiratory failure | 3.59 | Case mix bias; event may be unavoidable |
Postoperative sepsis | 10.91 | Definition may vary; perverse effects; unclear construct validity |
Postoperative wound dehiscence | 1.93 | Case mix bias; unclear construct validity evidence |
Accidental puncture or laceration | 3.29 | Underreporting; may be unpreventable |
Transfusion reaction | 0.004 | Rare; needs stratification; unknown validity |
Birth trauma (injury to neonate) | 6.67 | Definition may vary; mixed severity; unclear construct validity |
Obstetric trauma (Cesarean delivery) | 5.93 | Case mix bias; may be unpreventable; unclear construct validity |
Obstetric trauma (vaginal delivery with instrument) | 244.08 | Case mix bias; may be unpreventable; unclear construct validity |
Obstetric trauma (vaginal delivery without instrument) | 86.60 | Case mix bias; may be unpreventable; unclear construct validity |