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Table 2 Pre- and postoperative cardiac data for the control and operation groups

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

Variable Control group
(n = 50)
Operation groupa
(n = 39)
Right atrium inner diameter (mm)   
   Preoperative 38.92 ± 3.66 57.21 ± 3.24
   2-years postoperative 38.10 ± 3.89† 48.64 ± 3.27†
Right ventricle inner diameter (mm)   
   Preoperative 39.12 ± 3.46 54.95 ± 3.19
   2-years postoperative 37.10 ± 3.57† 46.18 ± 3.48†
Interventricular septum thickness (mm)   
   Preoperative 9.22 ± 1.66 8.74 ± 1.27
   2-years postoperative 9.16 ± 2.00 8.82 ± 1.07
Pulmonary artery pressure (mmHg)   
   Preoperative 32.14 ± 1.99 57.92 ± 2.91
   2-years postoperative 31.96 ± 2.40 31.46 ± 2.83†
Ejection fraction (%)   
   Preoperative 0.63 ± 0.09 0.63 ± 0.11
   2-years postoperative 0.59 ± 0.09† 0.56 ± 0.10†
  1. a The operation group included patients who underwent DeVega and Kay procedures.
  2. Data are presented as mean ± SD.
  3. P < 0.05, statistically significant difference between preoperative and postoperative values (paired t-test).