Table 1.

Baseline characteristics of patients stratified according to TAVI time quintile

Characteristic	Total, N = 1285	Q1: 2008–2010, n = 260	Q2: 2011, n = 251	Q3: 2012, n = 266	Q4: 2013, n = 261	Q5: 2014, n = 248	P Value
Age, y	82 ± 7	83 ± 7	83 ± 8	82 ± 7	82 ± 7	82 ± 8	0.165
Male sex	43	40	39	40	50	46	0.031
STS score	5.5 ± 3.6	6.7 ± 4.9	5.4 ± 3.4	5.1 ± 3.5	5.4 ± 3.9	4.8 ± 2.8	<0.001
DM	36	36	29	34	37	42	0.039
HTN	88	83	89	91	89	87	0.096
Dyslipidemia	81	80	79	78	85	82	0.380
PVD	12	14	16	10	9	10	0.079
COPD	19	25	20	18	19	14	0.049
Current smoker	6	5	9	5	7	3	0.122
“Porcelain” aorta	5	5	6	5	3	6	0.821
AF	31	30	25	32	30	38	0.044
CAD	51	52	51	48	56	48	0.283
MI	18	17	16	19	24	13	0.025
PCI	33	31	34	30	41	31	0.090
CABG	20	26	16	18	21	18	0.026
PPM	10	7	6	8	14	11	0.019
ICD	1	2	1	2	2	1	0.837
CKD	25	27	23	25	27	23	0.672
Hgb, g/dL	12 ± 1	12 ± 2	12 ± 1	12 ± 2	12 ± 2	12 ± 2	0.801
Frailty	17	28	10	11	15	24	<0.001
NYHA class
II	16	14	17	13	22	18	0.002
III	56	62	57	63	46	54
IV	24	20	24	22	31	26
Mean aortic valve area, cm2	0.7 ± 0.16	0.64 ± 0.16	0.69 ± 0.19	0.70 ± 0.20	0.71 ± 0.19	0.74 ± 0.19	<0.001
Mean aortic valve gradient, mm Hg	47 ± 16	47 ± 16	48 ± 15	48 ± 17	48 ± 16	46 ± 18	0.311
Peak aortic valve gradient, mm Hg	76 ± 23	77 ± 24	78 ± 24	76 ± 23	77 ± 24	72 ± 22	0.073
LVEF <50%	39	48	36	37	32	39	0.065

Abbreviations: AF, atrial fibrillation; CABG, coronary artery bypass grafting surgery; CAD, coronary artery disease; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; DM, diabetes mellitus; Hgb, hemoglobin; HTN, hypertension; ICD, implantable cardioverter‐defibrillator; LVEF, left ventricular ejection fraction; MI, myocardial infarction; NYHA, New York Heart Association; PCI, percutaneous coronary intervention; PPM, permanent pacemaker; PVD, peripheral vascular disease; Q, quintile; SD, standard deviation; STS, Society of Thoracic Surgeons; TAVI, transcatheter aortic valve implantation.

Categorical variables are presented as % and continuous variables are presented as mean ± SD.