Table E2.
Postoperative outcomes compared with or without lower-extremity malperfusion in propensity score–matched sample
| Variable | No LEM (n = 75) | LEM (n = 75) | P value |
|---|---|---|---|
| In-hospital mortality | 9 (12.00) | 14 (18.67) | .26 |
| Total postoperative length of stay (d) | 15.9 ± 17.9 | 13.9 ± 13.6 | .43 |
| Follow-up time (y), median (IQR) | 3.74 (1.27-6.1) | 4.58 (1.18-7.7) | .62 |
| Mechanical ventilation time (h) | |||
| Mean ± SD | 56.2 ± 99.4 | 84.4 ± 192.0 | .28 |
| Median (IQR) | 12.35 (7.35-44.0) | 12.83 (5.77-38.1) | .10 |
| Postoperative pneumonia | 10 (13.33) | 9 (12.00) | .81 |
| New-onset cerebrovascular accident | 4 (5.33) | 7 (9.33) | .35 |
| Postoperative atrial fibrillation | 36 (48.00) | 33 (44.00) | .62 |
| Reexploration for excessive bleeding | 11 (14.67) | 5 (6.67) | .11 |
| New-onset renal failure requiring hemodialysis | 11 (14.67) | 16 (21.33) | .29 |
| Red blood cell transfusion | 33 (44.00) | 44 (58.67) | .07 |
LEM, Lower-extremity malperfusion; IQR, interquartile range; SD, standard deviation.