From: Prosthesis-patient mismatch after mitral valve replacement: a single-centered retrospective analysis in East China
Total
PPM group
non-PPM group
P value
Follow-up time (months)
31(23–35)
32(24–35)
31(23–33)
P = 0.362
NYHA functional class (III-IV)
9.2%
9.0%
9.6%
P = 0.902
Mortality
17(1.6%)
3(1.6%)
14(1.6%)
P = 0.994