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Table 3 Efficacy outcomes 6 months after transcatheter ASD closure

From: Efficacy and safety of transcatheter closure in adults with large or small atrial septal defects

  All patients (n = 107) Large device group (n = 41) Small device group (n = 66) p value
Primary efficacy outcome, n (%) 99 (93) 37 (90) 64 (97) 0.20
Secondary efficacy outcomes, n (%)
 Repeat transcatheter closure 3 (3) 2 (5) 1 (2) 0.56
 Referral for surgical closure 1 (1) 1 (2) 0 (0) 0.38
 Any residual shunt 26 (24) 14 (34) 12 (18) 0.07
  1. The primary outcome was defined as successful transcatheter ASD closure achieved with a single procedure and confirmed by lack of a significant shunt detectable by TEE at 6-month follow-up as specified in the "Methods" section