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"Five-year freedom from reoperation and recurrence of mitral regurgitation 3+/4+ was - вопрос №3454647
significantly higher in the prosthetic ring group (90.1% – CL90%: 81.9–98.3%) compared with the pericardial ring group (62.6% – CL90%: 43.1–82.1%; P= 0.027) ". How did he get these values and with which program?