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Table 4 Comparison of tricuspid regurgitation severity

From: Criteria for determining the need for surgical treatment of tricuspid regurgitation during mitral valve replacement

Severity of tricuspid regurgitation Control group
(n = 50)
DeVega group
(n = 27)
Kay group
(n = 12)
P
Preoperative     < 0.001*
   Minor 50 (100) 0 (0) 0 (0)  
   Moderate 0 (0) 10 (37) 11 (92)  
   Severe 0 (0) 17 (63) 1 (8)  
Postoperative     0.736
   Minor 45 (90) 25 (93) 10 (83)  
   Moderate 4 (8) 0 (0) 2 (17)  
   Severe 1 (2) 2 (7) 0 (0)  
  1. Data are presented as number (percentage). Difference among three groups was compared using Kruskal-Wallis test; Difference between two groups (post-hoc pair-wise comparisons) was compared using Mann-Whitney U test.
  2. *P < 0.05, statistically significant difference among three groups (Kruskal-Wallis test).