Sutureless aortic valve and post-operative atrial fibrillation: Five-year outcomes from a propensity matched cohort study

Table 1 Cohort characteristics, median (25^th-75^th percentiles)

	Sutured (n = 808)	Perceval (n = 174)	P value
Demographics
Age (n = 982)	70 (64-76)	77 (74-80)	< 0.001
Gender (n = 982)			< 0.001
Male	520 (64.4)	70 (40.2)
Female	288 (35.6)	104 (59.8)
BMI (n = 982)	28.4 (25.0-32.4)	29.0 (25.6-32.8)	0.165
Smoking status (n = 848)			0.024
Non-smoker	334 (41.3)	65 (37.4)
Ex-smoker	279 (34.5)	76 (43.7)
Current smoker	86 (10.6)	8 (4.6)
Diabetes (n = 982)			0.002
No	659 (81.6)	124 (71.3)
Diet	38 (4.7)	7 (4.0)
Oral therapy	79 (9.8)	27 (15.5)
Insulin	32 (4.0)	16 (9.2)
NYHA grade (n = 879)			0.148
Grade I	144 (17.8)	21 (12.1)
Grade II	208 (25.7)	37 (21.3)
Grade III	282 (34.9)	69 (39.7)
Grade IV	93 (11.5)	25 (14.4)
Cardiovascular risk factors
Heart rhythm (n = 914)			0.54
Sinus rhythm	607 (80.8)	129 (79.1)
Atrial fibrillation/flutter	123 (16.4)	32 (19.6)
Complete heart block/pacing	11 (1.5)	2 (1.2)
Other dysrhythmia	9 (1.2)	0 (0.0)
Hypertension (n = 882)	511 (63.2)	126 (72.4)	0.022
CCS angina status (n = 858)			0.863
CCS0	422 (59.1)	79 (54.9)
CCS1	83 (11.6)	19 (13.2)
CCS2	95 (13.3)	23 (16.0)
CCS3	82 (11.5)	16 (11.1)
CCS4	32 (4.5)	7 (4.9)
LVEF (n = 681)			0.578
Good (> 50%)	424 (75.7)	92 (76.0)
Moderate (21%-30%)	109 (19.5)	22 (18.2)
Poor (31%-50%)	22 (3.9)	7 (5.8)
Very poor (< 25%)	5 (0.9)	0 (0.0)
Previous MI (n = 918)	62 (8.2)	12 (7.5)	0.794
Reoperation procedure (n = 982)	42 (5.2)	7 (4.0)	0.518
Risk scores
Additive Euroscore (n = 980)	5.00 (1.88-7.00)	6.00 (2.22-7.00)	0.003
Logistic Euroscore (n = 600)	5.28 (3.29-8.56)	7.01 (5.48-10.27)	< 0.001

BMI: Body-mass index; NYHA: New York Heart Association; CCS: Canadian Cardiovascular Society; LVEF: Left Ventricular Ejection Fraction; MI: Myocardial infarction.