|
Class I
(n = 106)
|
Class II
(n = 42)
|
Class III
(n = 34)
|
|
Baseline Demographics |
|
|
|
|
Age (y) median (IQR) |
67 (58-72.75) |
67.5 (60-71.75) |
67.5 (64-73.75) |
0.214 |
Male n (%) |
64 (60.4%) |
23 (54.8%) |
14 (41.2%) |
0.148 |
Race n (%) |
|
|
|
0.327 |
Caucasian |
86 (81.1%) |
36 (85.7%) |
32 (94.1%) |
|
African American |
6 (5.7%) |
0 (0.0%) |
0 (0.0%) |
|
Asian
Other (e.g., Hispanic ethnicity)
|
2 (1.9%)
12 (11.3%)
|
0 (0.0)
6 (14.3%)
|
0 (0.0%)
2 (5.9%)
|
|
Clinical Characteristics |
|
|
|
|
Atrial fibrillation n (%) |
20 (18.9%) |
12 (28.6%) |
8 (23.5%) |
0.411 |
Aortic gradient (mmHg) median (IQR) |
46.0 (38.0-59.8) |
45.0
(41.3-60.3) |
45.0 (40.3-49.5) |
0.553 |
Aortic insufficiencya n (%) |
|
|
|
0.211 |
< Moderate |
74 (69.8%) |
30 (71.4%) |
29 (85.3%) |
|
≥ Moderate |
32 (30.2%) |
12 (28.6%) |
5 (14.7%) |
|
Body mass index median (IQR)
Congestive heart failure n (%)
|
32.5 (30.9-33.5)
28 (26.4%)
|
36.7 (35.7-37.4)
11 (23.2%)
|
42.7 (40.9-46.8)
15 (44.1%)
|
<0.001
0.134
|
Prior CVA n (%) |
5 (4.7%) |
4 (9.5%) |
2 (5.9%) |
0.473 |
Cerebrovascular disease n (%) |
8 (7.5%) |
4 (9.5%) |
4 (11.8%) |
0.673 |
Chronic renal failure n (%) |
2 (1.9%) |
2 (4.8%) |
2 (5.9%) |
0.310 |
Cigarette smoking n (%) |
|
|
|
|
History |
65 (61.3%) |
27 (64.3%) |
16 (47.1%) |
0.256 |
Current at time of surgery |
8 (7.5%) |
2 (4.8%) |
2 (5.9%) |
0.913 |
Diabetes mellitus n (%) |
35 (33.0%) |
14 (33.3%) |
19 (55.9%) |
0.049 |
Ejection fraction (%) median (IQR) |
60.0 (55.0-63.5) |
58.0
(55.0-60.0) |
61.5 (58.0-65.0) |
0.402 |
Hypertension n (%) |
96 (90.6%) |
40 (95.2%) |
32 (94.1%) |
0.687 |
Hypercholesterolemia n (%) |
91 (85.8%) |
40 (95.2%) |
30 (88.2%) |
0.191 |
STS PROM score (%) median (IQR) |
1.03 (0.70-1.92) |
1.39 (0.96-2.22) |
1.86 (1.22-2.41) |
0.028 |