Table 1 Baseline characteristics
|  | SAVR (n = 25) | TAVI (n = 33) | p value |
|---|---|---|---|
Age (y/o) | 74.0 [68.0–78.0] | 79.0 [73.0–82.0] |  < 0.001 |
Male, n (%) | 15 (60.0%) | 24 (72.7%) | 0.306 |
BMI (kg/m2) [IQR] | 20.8 [18.8–22.4] | 20.5 [19.7–23.1] | 0.869 |
Duration of dialysis (months) [IQR] | 190.0 [92.0–228.0] | 81.0 [67.0–152.0] | 0.021 |
Comorbidities | |||
 Diabetes mellitus, n (%) | 9 (36.0%) | 15 (45.5%) | 0.469 |
 Hypertension, n (%) | 21 (84.0%) | 29 (87.9%) | 0.715 |
 Permanent pacemaker, n (%) | 1 (4.0%) | 6 (18.2%) | 0.127 |
 PAD, n (%) | 5 (20.0%) | 8 (24.2%) | 0.760 |
Underlying kidney disease | |||
 Diabetic nephropathy, n (%) | 7 (28.0%) | 10 (30.3%) | 0.849 |
 Nephrosclerosis, n (%) | 0 (0.0%) | 9 (27.3%) | 0.007 |
 Chronic glomerulonephritis, n (%) | 16 (64.0%) | 6 (18.2%) |  < 0.001 |
 Focal glomerulosclerosis, n (%) | 1 (4.0%) | 2 (6.0%) | 1.0 |
 Others, n (%) | 1 (4.0%) | 6 (18.2%) | 0.300 |
Systolic BP (mmHg) | 145 [132–171] | 147 [112–161] | 0.255 |
Diastolic BP (mmHg) | 74 [64–83] | 72 [60–77] | 0.262 |
Hemoglobin (g/dL) | 11.1 [10.7–11.7] | 10.9 [10.4–11.8] | 0.494 |
Hemoglobin A1c (%) | 5.6 [5.2–5.9] | 5.3 [5.0–5.9] | 0.370 |
Serum albumin (g/dL) | 3.4 [3.2–3.5] | 3.2 [3.0–3.4] | 0.110 |
Serum Ca (mg/dL) | 8.8 [8.4–8.9] | 8.7 [8.3–9.1] | 0.771 |
Serum phosphate (mg/dL) | 5.3 [4.5–6.3] | 4.9 [4.0–5.4] | 0.090 |
Intact PTH (pg/mL) | 220 [163–316] | 190 [106–253] | 0.695 |
BNP (pg/mL) | 538 [271–753] | 773 [319–1218] | 0.412 |
Cardiac parameters | |||
 EuroSCORE II, (%) [IQR] | 2.50 [2.00–4.23] | 3.20 [2.50–6.00] | 0.036 |
 Ejection fraction (%) [IQR] | 59.0 [54.0–63.0] | 53.0 [38.0–60.0] | 0.091 |
   < 30%, n (%) | 0 (0%) | 6 (18.2%) |  |
  30% ≤  < 50%, n (%) | 5 (20.0%) | 10 (30.3%) | 0.032 |
  50% ≤ , n (%) | 20 (80.0%) | 17 (51.5%) |  |
 Aortic valve area (cm2) | 0.71 [0.59–0.73] | 0.71 [0.64–0.80] | 0.358 |
 Mean aortic pressure gradient (mmHg) | 42.0 [36.0–56.0] | 45.0 [38.0–48.0] | 0.931 |