Table 2.
Operative Variables for LEB Patients Who Underwent Readmission Analysis in the 2011 NSQIP Database.
| Overall (N=4,512) | Readmitted (N= 826) | Not Readmitted (N=3,686) | p-value | |
|---|---|---|---|---|
|
| ||||
| Mean OR Time, minutes (SD) | 225 (110) | 243 (117) | 221 (108) | <.001 |
|
| ||||
| Popliteal Inflow (vs. Femoral Inflow) | 374 (8.3) | 82 (9.9) | 292 (7.9) | .069 |
|
| ||||
| Popliteal Target (vs. Infra-Popliteal Target) | 1,888 (41.8) | 403 (48.8) | 1485 (40.3) | <.001 |
|
| ||||
| Synthetic Graft (vs. Vein Graft) | 1,554 (34.4) | 276 (33.4) | 1278 (34.7) | .517 |
|
| ||||
| Operative Time > 225 min (vs. < 225 min) | 2,057 (42.1) | 422 (51.2) | 1470 (40.0) | <.001 |
|
| ||||
| Emergency Case* | 252 (5.6) | 55 (6.7) | 197 (5.3) | .154 |
|
| ||||
| Elective Surgery** | 2,988 (67.2) | 489 (60.1) | 2499 (68.8) | <.001 |
|
| ||||
| Additional Procedure | ||||
| - Fasciotomy | 57 (1.3) | 9 (1.1) | 48 (1.3) | .732 |
| - Minor Amputation | 151 (3.3) | 36 (4.4) | 115 (3.1) | .086 |
| - Endovascular Procedure | 536 (11.9) | 97 (11.7) | 439 (11.9) | .953 |
| - Additional Bypass | 132 (2.9) | 20 (2.4) | 112 (3.0) | .423 |
*
Cases reported by surgeon and anesthesiologist as emergent; Surgery must occur within 12 hours of admission or onset of related preoperative symptomatology.
**
Patient admitted from home or current living situation on day of previously scheduled surgery.