Table 2.
Complications and outcomes by surgical specialty.
| Characteristic | Orthopaedic Surgery Value N (%) |
Patients for whom characteristic was determined, (N) | Neurosurgery Value N (%) |
Patients for whom characteristic was determined, (N) | Chi Square or T-test p-Value |
|---|---|---|---|---|---|
| Operative Time, min, mean ± SD | 124.0 ± 72.8 | 4611 | 126.3 ± 69.4 | 13355 | 0.0609 |
| Overall Complications | 113(2.5) | 4611 | 372(2.8) | 13356 | 0.2268 |
|
Major Systemic Complications |
61(1.3) |
- |
178(1.3) |
- |
0.9600 |
| Pulmonary Embolism | 8(0.2) | - | 21(0.2) | - | 0.8125 |
| Unplanned Intubation | 28(0.6) | - | 75(0.6) | - | 0.7231 |
| Ventilator > 48 h | 20(0.4) | - | 64(0.5) | - | 0.6965 |
| Postoperative Sepsis/Septic Shock | 15(0.3) | - | 59(0.4) | - | 0.2871 |
| Stroke/Cerebrovascular Accident | 5(0.1) | - | 11(0.1) | - | 0.6088 |
| Acute Renal Failure | 0(0) | - | 8(0.1) | - | 0.0965 |
| Cardiac Arrest Requiring CPR | 8(0.2) | - | 21(0.2) | - | 0.8125 |
| Myocardial Infarction | 7(0.2) | - | 16(0.1) | - | 0.6001 |
| Coma |
0(0) |
- |
2(0.01) |
- |
0.406 |
|
Minor Systemic Complications |
58(1.3) |
- |
197(1.5) |
- |
0.2825 |
| Urinary Tract Infection | 16(0.4) | - | 83(0.6) | - | 0.03 |
| Deep Venous Thrombosis | 17(0.4) | - | 35(0.3) | - | 0.2452 |
| Pneumonia | 28(0.6) | - | 96(0.7) | - | 0.4303 |
| Progressive Renal Insufficiency |
2(0.04) |
- |
2(0.01) |
- |
0.2651 |
|
Major Local Complications |
11(0.2) |
- |
35(0.3) |
- |
0.7855 |
| Deep Wound Infection/Organ or Space SSI | 11(0.2) | - | 33(0.3) | - | 0.9196 |
| Peripheral Nerve Injury | 0(0) | - | 1(0.01) | - | 0.5568 |
| Graft/Prosthesis Failure |
0(0) |
- |
1(0.01) |
- |
0.5568 |
|
Minor Local Complications |
12(0.3) |
- |
45(0.3) |
- |
0.4247 |
| Superficial Wound Infection | 12(0.3) | - | 39(0.3) | - | 0.7267 |
| Wound Disruption |
0(0) |
- |
9(0.1) |
- |
0.0779 |
|
Mortality or Major Complication |
70(1.5) |
- |
208(1.6) |
- |
0.8523 |
| Hospital Length of Stay, mean (SD) |
1.9(6.2) | 4609 | 2.0(5.8) | 13351 | 0.5857 |
| Readmission | 128(2.8) | 4547 | 418(3.2) | 13180 | 0.2303 |
| On Ventilator >48hrs | 20(0.4) | 4611 | 64(0.5) | 13356 | 0.6965 |
| Hospital Discharge Destination | |||||
| Home | 4411(95.8) | 4607 | 12621(94.7) | 13329 | 0.0047* |
| Extended Care Facility | 196(4.2) | - | 708(5.3) | - | - |
| Still in Hospital >30 days | 3(0.1) | 4106 | 23(0.2) | 11757 | 0.0946 |
| Post-op Death >30 days if in acute care | 0(0) | 3 | 0(0) | 23 | - |
| Unplanned re-operation | 59(1.3) | 4586 | 194(1.5) | 13305 | 0.3961 |
*Significant value.
SD – standard deviation.