Table 3

Means (SE) length of stay (LOS), charges, and mortality rates for discharges experiencing a patient safety indicator (PSI) event compared with those not experiencing a PSI event (unadjusted)

Medical errorLOS with PSI eventLOS without PSI eventCharge with PSI eventCharge without PSI eventMortality (%) with PSI eventMortality (%) without PSI event
Complications of anesthesia50.40 (0.17)50.51 (0.006)24572 (838)25093 (29)10.10 (0.28)10.83 (0.01)
Death in low mortality DRGsNANANANANANA
Decubitus ulcer160.32 (0.09)90.79 (0.006)45987 (375)28100 (29)130.85 (0.17)40.01 (0.01)
Failure to rescue110.24 (0.06)100.20 (0.02)52879 (364)34468 (111)NANA
Foreign body left in during procedure90.30 (0.75)40.78 (0.002)41882 (2938)14882 (12)40.09 (0.008)20.63 (0.00)
Iatrogenic pneumothorax130.78 (0.25)40.59 (0.003)55286 (1454)13384 (11)160.11 (0.59)20.56 (0.006)
Infection due to medical care200.75 (0.22)40.54 (0.003)84751 (1096)13975 (12)100.31 (0.003)20.11 (0.0006)
Postoperative hip fracture160.37 (0.58)50.39 (0.007)52224 (1784)24594 (35)90.93 (0.92)10.70 (0.01)
Postoperative hemorrhage or hematoma110.74 (0.27)50.77 (0.006)57040 (1334)27200 (33)60.27 (0.41)20.07 (0.01)
Postoperative physiologic and metabolic derangements210.35 (0.78)40.13 (0.006)114487 (4261)20528 (33)280.16 (10.59)0.75 (0.01)
Postoperative respiratory failure220.39 (0.47)30.75 (0.006)110397 (2554)16602 (22)290.39 (0.96)0.39 (0.007)
Postoperative thromboembolism160.03 (0.14)50.66 (0.006)66805 (736)26777 (32)310.56 (0.25)130.94 (0.01)
Postoperative septicaemia250.10 (0.48)70.20 (0.01)113708 (2486)32328 (72)240.87 (0.85)10.12 (0.02)
Accidental puncture or laceration80.34 (0.08)60.92 (0.003)38788 (427)16212 (13)40.77 (0.16)30.06 (0.007)
Transfusion reaction130.40 (20.20)40.78 (0.003)68372 (20193)14884 (12)60.67 (40.64)20.63 (0.006)
Postoperative wound dehiscence220.32 (0.61)60.72 (0.014)93022 (3336)26623 (75)330.66 (10.16)160.53 (0.026)
Birth trauma - injury to neonate30.38 (0.10)30.03 (0.008)5111 (372)4226 (33)0.65 (0.12)0.33 (0.007)
Obstetric trauma (vaginal with instrument)20.42 (0.016)20.28 (0.008)5664 (92)5976 (115)0.016 (0.011)0.003 (0.003)
Obstetric trauma (vaginal without instrument)20.17 (0.005)20.09 (0.002)5110 (43)5206 (23)0.002 (0.002)0.003 (0.001)
Obstetric trauma (cesarean section)40.56 (0.13)30.76 (0.007)12614 (496)9461 (36)0 (0)0.02 (10.47)