30-Day and 1-Year Mortality after Transcatheter Aortic Valve Replacement: The Impact of Balloon Aortic Valvuloplasty as a Bridging Therapy in a Portuguese Tertiary Center
Table 2
Baseline characteristics of study population.
Variable
Overall (n = 800)
wBAV group (n = 33)
woBAV group (n = 767)
value
Age, years
83
(8)
82
(7.5)
83
(7.8)
0.492
Male gender
360
(45%)
9
(27%)
351
(46%)
0.040
Hypertension
670
(84%)
27
(82%)
646
(84%)
0.138
Diabetes mellitus
286
(36%)
12
(36%)
275
(36%)
0.907
Active smoking
112
(14%)
4
(12%)
110
(14%)
0.542
Coronary artery disease
334
(42%)
13
(39%)
321
(42%)
0.806
Previous MI
125
(16%)
6
(18%)
119
(16%)
0.360
Previous CABG
107
(13%)
2
(6%)
105
(14%)
0.419
Peripheral artery disease
127
(16%)
5
(15%)
122
(16%)
0.982
Previous stroke
85
(11%)
5
(15%)
80
(10%)
0.364
Atrial fibrillation
263
(33%)
18
(55%)
245
(32%)
0.006
Previous pacemaker
80
(10%)
5
(15%)
75
(10%)
0.222
Chronic lung disease
172
(22%)
5
(15%)
167
(21%)
0.615
Hemodialysis
20
(2.5%)
0
0
20
(2.6%)
0.551
Bicuspid aortic valve
25
(3.1%)
1
(3%)
24
(3.1%)
0.342
EuroScore II
4.2
(4.6)
6.9
(6.7)
4.1
(4.3)
0.001
STS score
4.3
(3.8)
5.5
(5.6)
4.2
(3.7)
0.022
Clinical findings
BMI, kg/m2
27
(6)
26.7
(6.2)
26.6
(5.4)
0.983
Basal NYHA class
2.8
±0.5
3
0
3
(1)
0.075
Hb, g/dL
11.9
±1.8
11.4
±1.7
11.9
±1.8
0.087
Cr, mg/dL
1.1
(0.6)
1
(0.6)
1.1
(0.6)
0.768
GFR, mL/min/1.73 m2
46
(12)]
41.5
(13)
47
(14)
0.227
HbA1c, %
5.7
(0.8)
5.8
(0.7)
5.7
(1)
0.814
NT-proBNP, pg/mL
1916
(3986)
2352
(13647)
1911
(3889
0.79
Mean AG (mmHg)
48
(15)
45
(13)
48
(15)
0.832
Maximum AG (mmHg)
78
(14)
71
(36)
78
(12)
0.514
AVA (cm2)
0.7
(0.3)
0.6
(0.35)
0.7
(0.30)
0.215
LVEF <50%
171
(22%)
10
(32%)
161
(21%)
0.156
LVEF <40%
86
(11%)
8
(26%)
78
(10%)
0.015
AVCS
2104
(1738)
2659
(2371)
2100
(1704)
0.921
AG, aortic gradient; AVA, anatomic valve area; AVCS, aortic valve calcium score; BMI, body mass index; CABG, coronary artery bypass graft; GFR, glomerular filtration rate; LVEF, left ventricular ejection fraction; MI, myocardial infarction; NYHA, New York Heart Association; STS, Society of Thoracic Surgeons. Fisher’s exact test was used. Statisticially significant p values (<0.05) are highlighted in bold.
