Characteristics of octogenarian patients undergoing surgical aortic valve replacement (SAVR) or transcatheter aortic valve implantation (TAVI) (n=136)
| Variables | Total n=136 | SAVR n=73 (54%) | TAVI n=63 (46%) | P values |
| Count/mean ±SD or (percentage) | Count/mean ±SD or (percentage) | Count/mean ±SD or (percentage) | ||
| Age (years), mean SD | 83.5±2.7 | 82±2.1 | 85±2.8 | <0.001 |
| Female n (%) | 76 (55.9) | 36 (49.3) | 40 (63.5) | 0.09 |
| MMSE, mean SD (range 0–30) | 27.2±2.9 | 27.8±2.6 | 26.5±3.1 | 0.01 |
| Charlson Comorbidity Index, mean SD | 2.1±1.2 | 1.8±0.9 | 2.4±1.3 | 0.01 |
| Logistic EuroScore | 14.0±9.2 | 9.2±3.4 | 19.6±10.6 | <0.001 |
| NYHA functional class | <0.001 | |||
| I+II (%) | 47 (34.6) | 37 (54.4) | 10 (18.5) | |
| III+IV (%) | 75 (55.1) | 31 (45.6) | 44 (81.5) | |
| LVEF (%) | 56.6±10.2 | 57.2±10.3 | 55.8±10.2 | 0.41 |
| Max aorta gradient (mm Hg) | 79.5±23.9 | 83.5±24.7 | 75±22.4 | 0.04 |
| Mean aorta gradient (mm Hg) | 48.3±16.1 | 50.7±16.3 | 46±15.8 | 0.08 |
| ASA Classification | <0.001 | |||
| III (yes) | 114 (83.8) | 71 (97.3) | 43 (68.3) | |
| IV (yes) | 22 (16.2) | 2 (2.7) | 20 (31.7) | |
| Delirium (yes) | 76 (55.9) | 48 (65.8) | 28 (44.4) | 0.01 |
ASA, American Society of Anesthesiologist Physical Status Classification System; BMI, body mass index; IADL, instrumental activities of daily living; LVEF, Left ventricle ejection fraction; MMSE, Mini Mental State Examination; NYHA, New York Heart Association Functional Classification.