Table 5.
Post-Operative Occurrences
| Post-Operative Occurrences | UM NSQIP Trauma N=525 | UM NSQIP General Surgery N=1,327 | NTDB (2004) N=54,478 | |||||
|---|---|---|---|---|---|---|---|---|
| % | N | % | N | *p-value | % | N | **p-value | |
| Deaths within 30 Days | 8.4 | 44 | 1.5 | 20 | <0.001 | 5.7 | 3123 | 0.01 |
| Wound Occurences | ||||||||
| Superficial Incisional SSI | 1.9 | 10 | 4.5 | 60 | 0.01 | 0.5 | 291 | <0.001 |
| Deep Incisional SSI | 1.7 | 9 | 0.7 | 9 | 0.07 | |||
| Organ/Space SSI | 1.9 | 10 | 2.9 | 38 | 0.04 | -- | -- | -- |
| Wound Disruption | 0.6 | 3 | 0.8 | 10 | 0.9 | 0.05 | 28 | <0.001 |
| Respiratory Occurences | ||||||||
| Pneumonia | 14.1 | 74 | 1.6 | 21 | <0.001 | 2.7 | 1488 | <0.001 |
| Unplanned Intubation | 2.7 | 14 | 1.6 | 21 | 0.2 | -- | -- | -- |
| Pulmonary Embolism | 1.0 | 5 | 0.5 | 6 | 0.4 | 0.3 | 152 | 0.004 |
| Empyema | 0.6 | 3 | -- | -- | -- | 0.1 | 60 | 0.002 |
| Urinary Tract Occurences | ||||||||
| Acute Renal Failure | 1.0 | 5 | 0.4 | 5 | 0.2 | 0.4 | 239 | 0.08 |
| Progressive Renal Insufficiency | 0.6 | 3 | 0.2 | 3 | 0.5 | -- | -- | -- |
| Urinary Tract Infection | 12.6 | 66 | 3.5 | 47 | <0.001 | 1.3 | 701 | <0.001 |
| Central Nervous System Occurences | ||||||||
| Stroke/CVA | 1.0 | 5 | 0.0 | 0 | 0.002 | -- | -- | -- |
| Coma > 24 Hours | 2.9 | 15 | 0.0 | 0 | <0.001 | -- | -- | -- |
| Peripheral Nerve Injury | 1.5 | 8 | 0.2 | 3 | 0.003 | -- | -- | -- |
| Cardiac Occurences | ||||||||
| Cardiac Arrest Requiring CPR | 1.1 | 6 | 0.4 | 5 | 0.1 | 0.4 | 206 | 0.005 |
| Myocardial Infarction | 0.6 | 3 | 0.2 | 2 | 0.3 | 0.7 | 372 | 0.8 |
| New Onset Major Arrhythmia | 2.3 | 12 | -- | -- | -- | -- | -- | -- |
| Other Surgical Occurences | ||||||||
| Bleeding/Transfusions | 5.0 | 26 | 0.2 | 2 | <0.001 | -- | -- | -- |
| DVT/Thrombophlebitis | 6.5 | 34 | 0.8 | 11 | <0.001 | 0.6 | 309 | <0.001 |
| Sepsis | 4.8 | 25 | 3.1 | 41 | 0.1 | 0.4 | 192 | <0.001 |
UM, University of Michigan; NSQIP, National Surgical Quality Improvement Program; NTDB, National Trauma Data Bank; SSI, surgical site infection; CVA, cerebral vascular accident; CPR, cardiopulmonary resuscitation; DVT, deep vein thrombosis.
*
p-value comparing patient characteristics for UM NSQIP trauma and general surgery patients.
**
p-value comparing UM NSQIP trauma and NTDB trauma patients.