Baseline and procedural characteristics are displayed in Table 1. Risk scores were slightly lower in the SAVI-1 compared to the SAVI-2 cohort (Logistic EuroSCORE-I of 22.3 ± 12.7% vs 24.7 ± 15.7%).
Table 1: Baseline and procedural characteristics
SAVI-1 SAVI-2 Total
n = 250 n = 250 n = 500
Baseline
  Age [years] 80.9 ± 6.3 80.7 ± 5.9 80.8 ± 6.1
  Male 126 (50.8)a 104 (41.6) 230 (46.2)
  Logistic EuroSCORE-I [%] 22.3 ± 12.7 24.7 ± 15.7 23.4 ± 14.3
  STS Score [%] 8.0 ± 5.9 11.9 ± 10.0 9.8 ± 8.3
Procedure
  Prior balloon valvuloplasty 240 (97.2)b 218 (87.2) 458 (92.2)
  Device sizes used
   S 84 (33.6) 68 (27.2) 152 (30.4)
   M 93 (37.2) 109 (43.6) 202 (40.4)
   L 73 (29.2) 73 (29.2) 146 (29.2)
  Deployment under rapid pacing 176 (71.3)b 9 (3.6) 185 (37.0)
  Post-dilatation 97 (38.8) 110 (44.0) 207 (41.4)
Procedure
  Successful implant 245 (98.0) 241 (96.4) 489 (97.8)
  Valve-in-valve procedure 2 (0.8) 6 (2.4) 8 (1.6)
  Conversion to surgery 3 (1.2) 0 3 (0.6)
Data are presented as mean ± SD or n (%). NA: not assessed. aunknown in two patients, bunknown in three patients.