Table 4

Multivariate Cox analysis of the predictive factors of poor late functional results after good immediate results of PMC

Variables and subgroups HR (95% CI) p Value
NYHA functional class0.02
 Per one class increase1.97 (1.12 to 3.45)
 Atrial fibrillation2.32 (1.40 to 3.60)
Mean gradient after PMC0.004
 Per 1 mm Hg increase1.19 (1.06 to 1.35)
  • NYHA,New York Heart Association; PMC,percutaneous mitral commissurotomy.