Table 1.
Characteristics of study cohort (n=42)
| 1-year survivors (n=28) | 1-year nonsurvivors (n=14) | P | |
|---|---|---|---|
| Age (years) | 80 (70-85) | 79 (73–83) | 0.78 |
| Sex (%) | 0.83 | ||
| Female | 46 | 50 | |
| Male | 54 | 50 | |
| BMI (kg/m2) | 27 (24-20) | 27 (26-32) | 0.47 |
| CCI | 4 (3-5) | 4 (3-5) | 0.89 |
| STS Risk score | 8 (7-10) | 8 (6-11) | 0.58 |
| AVA (cm2) | 0.72 (0.70-0.73) | 0.72 (0.70-0.73) | 0.93 |
| AMG (mm Hg) | 38 (30-50) | 41 (24-50) | 0.77 |
| LVEF (%) | 55 (52-65) | 55 (39-60) | 0.32 |
| NYHA Classification | 3 (3-3) | 3 (3-3) | 0.91 |
| KCCQ12 | 50 (31-65) | 34 (19-61) | 0.19 |
| RMSSD | 10 (8-23) | 23 (17-33) | 0.04 |
| SDNN | 10 (7-16) | 17 (11-40) | 0.03 |
| ICU LOS (hours) | 52 (30-79) | 103 (45-191) | 0.03 |
BMI=Body mass index; CCI=Charlson Comorbidity Index; STS=Society of Thoracic Surgeons; AVA=Aortic Valve Area; AMG=Aortic Valve Mean Gradient; LVEF=Left Ventricular Ejection Fraction; NYHA=New York Heart Association; KCCQ12=Kansas City Cardiomyopathy Questionnaire 12; RMSSD=Root Mean Square of Successive Differences; SDNN=Standard Deviation of NN Intervals; ICU LOS=Intensive Care Unit Length of Stay. Aggregate data are presented as either median (interquartile range) or proportions, and compared using Mann–Whitney U tests or log rank tests and Chi-square tests, respectively.