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

Table 3 Immediate post-operative outcomes before and after propensity score matching, median (25^th-75^th percentiles)

	Before propensity score matching			After propensity score matching			Odds ratio1
	Sutured valves	Perceval valves	P value	Sutured valves	Perceval valves	P value
Intra-operative mortality	0 (0.0)	0 (0.0)	NA	0 (0.0)	0 (0.0)	NA	NA
In-hospital mortality	16 (2.0)	1 (0.6)	0.197	2 (1.1)	1 (0.6)	0.562	0.50 (0.04-5.55)
< 30 days mortality	23 (2.8)	3 (1.7)	0.403	4 (2.3)	3 (1.7)	0.703	0.73 (0.16-3.35)
Length of CICU stay (days) (n = 917)	1.14 (0.97-2.11)	1.13 (0.98-1.91)	0.543	1.25 (1.00-2.50)	1.13 (0.96-2.00)	0.132	NA
Total length of stay (days) (n = 917)	6.90 (5.31-9.99)	7.08 (5.93-9.90)	0.248	8 (6.00-11.0)	7 (6.00-10.00)	0.315	NA
Post-operative complications
Atrial fibrillation	229 (28.3)	39 (22.4)	0.111	58 (33.3)	39 (22.4)	0.023	0.57 (0.35-0.91)
Pneumonia	152 (18.8)	21 (12.1)	0.030	36 (20.7)	21 (12.1)	0.030	0.49 (0.27-0.90)
Delirium	100 (12.4)	28 (16.1)	0.187	27 (15.5)	28 (16.1)	0.883	1.03 (0.58-1.83)
MI	1 (0.1)	0 (0.0)	0.642	0 (0.0)	0 (0.0)	NA	NA
PPM	19 (2.4)	6 (3.4)	0.405	4 (3.10)	6 (3.4)	0.521	1.50 (0.42-5.44)
VT/VF	9 (1.1)	0 (0.0)	0.162	0 (0.0)	0 (0.0)	NA	0.94 (0.06-15.9)
Pneumothorax	8 (1.0)	1 (0.6)	0.602	1 (0.6)	1 (0.60)	1.000	0.95 (0.06-15.89)
Stroke	25 (3.1)	6 (3.4)	0.808	4 (2.3)	6 (3.4)	0.521	1.51 (0.42-5.47)

¹After matching, adjusted for additive Euroscore. P values for adjusted odds ratios available in Supplementary Table 2.

CICU: Cardiothoracic intensive care unit; MI: Myocardial infarction; PPM: Permanent pace-maker; VT/VF: Ventricular tachycardia/ventricular fibrillation.