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Table 6 Follow up of the mitral regurgitation grade, NYHA class, ejection fraction, and the left atrium

From: Safety and efficacy outcomes at 1 year after MitraClip therapy for percutaneous mitral valve repair in patients with severe mitral regurgitation: the Egyptian experience

  Pre-operative 1 month 6 months 1 year Test statistic P value Post hoc analysis
MR grade Median (IQR) 4.0 (4.0-4.0) 2.0 (1.5-2.0) 2.0 (2.0-2.0) 2.0 (2.0-2.0) 54.190 <0.001* P1<0.001a
P2<0.001 a
P3<0.001 a
P4=0.083
P5=0.083
P6>0.999
NYHA class Median (IQR) 3.0 (3.0-3.5) 1.0 (1.0-2.0) 1.0 (1.0-1.5) 1.0 (1.0-1.0) 56.302 <0.001* P1<0.001 a
P2<0.001 a
P3<0.001 a
P4=0.157
P5=0.083
P6=0.317
EF Mean± SD 53.8 ±7.8 58.8 ±8.4 62.0 ±6.6 62.8± 6.2 22.872 <0.001* P1=0.002 a
P2<0.001 a
P3<0.001 a
P4=0.104
P5=0.024
P6=0.279
LA Mean± SD 44.9±3.2 43±2.2 43±2.3 43±2.1 2.8 0.04 P1=0.009
P2=0.011
P3=0.011
P4=1.0
P5=0.88
P6=0.88
  1. P1 Pre versus 1 month, P2 Pre versus 6 months, P3 Pre versus 1 year, P4 1 Month versus 6 months, P5 1 Month versus 1 year, P6 6 Months versus 1 year, SD Standard deviation, MR Mitral regurgitation, EF Ejection fraction, LA Left atrium, NYHA New York Heart Association
  2. Pa was adjusted for multiple comparisons (Bonferroni correction) resulting in a significant level at P<0.008
  3. *Significant at P <0.05