Table 3 Patient demographics and risk factors in short and standard LOS groups after propensity score matching
|  | LOS ≤ 1 day (n = 446) | LOS > 1 day (n = 446) | p | ||
|---|---|---|---|---|---|
Revision TAA | 10.5% | (47/446) | 11.7% | (47/446) | 0.594 |
Sex | |||||
 Male | 52.2% | (233/446) | 52.2% | (233/446) | > 0.999 |
 Female | 47.8% | (213/446) | 47.8% | (213/446) |  |
Race/ethnicity | |||||
 Asian | 0.9% | (4/446) | 0.4% | (2/446) | 0.686 |
 Black or African American | 2.0% | (9/446) | 3.4% | (15/446) | 0.214 |
 Hispanic | 2.5% | (11/446) | 2.5% | (11/446) | > 0.999 |
 White | 84.1% | (375/446) | 65.7% | (293/446) | < 0.001* |
 Other | 0.2% | (1/446) | 0.4% | (2/446) | > 0.999 |
 Unknown/not reported | 10.3% | (46/446) | 27.6% | (123/446) | < 0.001* |
Age (years) | |||||
 Under 50 | 7.8% | (35/446) | 7.0% | (31/446) | 0.609 |
 Between 50 and 59 | 26.0% | (116/446) | 22.9% | (102/446) | 0.275 |
 Between 60 and 69 | 39.5% | (176/446) | 37.7% | (168/446) | 0.582 |
 Between 70 and 79 | 23.1% | (103/446) | 26.5% | (118/446) | 0.245 |
 80 and over | 3.6% | (16/446) | 6.1% | (27/446) | 0.086 |
BMI (kg/m2) | |||||
 Underweight | 0.4% | (2/446) | 1.1% | (5/446) | 0.451 |
 Normal | 12.1% | (54/446) | 15.5% | (69/446) | 0.145 |
 Overweight | 37.6% | (168/446) | 35.2% | (157/446) | 0.444 |
 Obese class I | 26.5% | (118/446) | 27.4% | (122/446) | 0.763 |
 Obese class II | 15.9% | (71/446) | 16.4% | (73/446) | 0.856 |
 Obese class III | 7.4% | (33/446) | 4.5% | (20/446) | 0.066 |
Comorbidities | |||||
 Diabetes | 9.6% | (43/446) | 9.6% | (43/446) | > 0.999 |
 Smoker | 6.3% | (28/446) | 6.3% | (28/446) | > 0.999 |
 COPD | 0.7% | (3/446) | 0.7% | (3/446) | > 0.999 |
 Congestive heart failure | 0.0% | (0/446) | 0.0% | (0/446) | > 0.999 |
 Hypertension | 52.7% | (235/446) | 52.7% | (235/446) | > 0.999 |
 Dialysis | 0.0% | (0/446) | 0.0% | (0/446) | > 0.999 |
 Chronic steroid use | 3.6% | (16/446) | 3.6% | (16/446) | > 0.999 |
ASA class | |||||
 Class 1 (no disturbance) | 4.5% | (20/446) | 4.5% | (20/446) | > 0.999 |
 Class 2 (mild disturbance) | 57.8% | (258/446) | 57.8% | (258/446) | > 0.999 |
 Class 3 (severe disturbance) | 37.2% | (166/446) | 37.2% | (166/446) | > 0.999 |
 Class 4+ (life threatening) | 0.4% | (2/446) | 0.4% | (2/446) | > 0.999 |