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. 2019 Mar 14;42:54–63. doi: 10.1016/j.ebiom.2019.02.047

Table 2.

Association between patient /valve characteristics and categories of bioprosthesis longevity.

Characteristic Bioprosthesis longevity, y
P Value
[0–5.9] [6–14.9] [15–28]
Sex, n (%) 0.60
 Women 28 (12.4) 171 (75.6) 27 (12.0)
 Men 24 (9.3) 200 (77.8) 33 (12.8)
Age at first implantation, n (%) 0.035
 [7–29] 13 (10.1) 103 (80.5) 12 (9.4)
 [30–39] 9 (8.9) 80 (79.2) 12 (11.9)
 [40–49] 13 (11.9) 81 (73.4) 15 (14.7)
 [50–59] 5 (5.4) 72 (77.4) 16 (17.2)
 [60–82] 11 (21.1) 37 (71.1) 4 (7.8)
Age at first implantation, n (%) 0.003
 [7–59] 39 (9.1) 336 (78.5) 53 (12.4)
 [60–82] 12 (23.1) 37 (71.2) 3 (5.8)
Blood type, n (%) 0.008
 A 9 (5.2) 134 (77.5) 30 (17.3)
 B 12 (16.0) 53 (70.7) 10 (13.7)
 AB 4 (14.8) 23 (85.2) 0 (0.0)
 O 26 (12.5) 163 (78.4) 19 (9.1)
Antigen A, n (%) 0.008
 Positive (A or AB) 13 (6.5) 157 (78.5) 30 (15.0)
 Negative (B or O) 38 (13.4) 216 (76.3) 29 (10.2)
Antigen B, n (%) 0.14
 Positive (B or AB) 16 (15.7) 76 (74.5) 10 (9.8)
 Negative (A or O) 35 (9.2) 297 (78.0) 49 (12.9)
Rhesus, n (%) 0.73
 Positive 48 (11.1) 329 (76.3) 54 (12.6)
 Negative 3 (5.8) 44 (84.6) 5 (9.6)
Valve replaced,n(%) 0.46
 Mitral 29 (10.3) 226 (80.4) 26 (9.3)
 Aortic 22 (11.6) 138 (72.6) 30 (15.8)
 Tricuspid or pulmonary 1 (8.3) 10 (83.4) 1 (8.3)
Number of valves replaced, n (%) 0.001
 1 31 (8.2) 292 (77.6) 53 (14.2)
 2 or 3 20 (18.7) 82 (76.6) 5 (4.7)