Comparison of outcomes following valve-sparing aortic root replacement in patients with bicuspid and tricuspid aortic valves: A meta-analysis

Table 1 Characteristics of included studies, n (%)

Ref.	Country	Study period	Follow-up (years)	Sample size (n)		Age (years)		Male gender
				BAV	TAV	BAV	TAV	BAV	TAV
Aicher et al[25], 2007	Germany	1995–2006	10	81	193	52 ± 12	62 ± 15	69 (85.2)	132 (68.4)
Martín et al[19], 2017	Spain	2004–2015	5	57	103	46.0 ± 11.8	57.5 ± 17.8	57 (100)	89 (88.1)
Karciauskas et al[21], 2019	Lithuania	2004–2016	10	29	63	42.4 ± 12	55.3 ± 14.9	56 (88.9)	27 (93.1)
Schäfers et al[14], 2015	Spain	1995–2013	15	290	431	54 ± 15	–	–	–
Kvitting et al[17], 2013	United States	1993–2009	10	63	170	43 ± 12	36 ± 13	50 (79.4)	115 (67.6)
Bavaria et al[18], 2015	United States	2004–2013	5	40	89	46 ± 12	45 ± 15	35 (87.5)	63 (70.8)
Shrestha et al[20], 2018	Germany	1993–2015	8.7	24	173	40 (30–47)	49 (35–62)	21 (87.5)	123 (71.1)
Ouzounian et al[22], 2019	Canada	1988–2012	8.2	45	135	40 ± 13	41 ± 14	121 (89.6)	39 (86.7)
Malvindi et al[16], 2012	Italy	2002–2011	5	24	108	–	–	–	–
Miyahara et al[15], 2020	Germany	1995–2018	15	414	589	–	–	–	–
Mokashi et al[13], 2022	United States	2002–2017	8	71	71	48 ± 12	49 ± 12	57 (80.3)	52 (73.2)
François et al[24], 2025	Belgium	2000-2023	7.9	65	171	41.9 ± 14.4	48.7 ± 18.2	51 (77.2)	129 (74.6)
Levine et al[23], 2023	United States	2005-2020	4.1	156	156	45.00 ± 12.72	46.00 ± 12.72	131 (84)	133 (85.3)

BAV: Bicuspid aortic valve; TAV: Tricuspid aortic valve.