Fig. 3From: Two-component surface replacement implants compared with perichondrium transplantation for restoration of Metacarpophalangeal and proximal Interphalangeal joints: a retrospective cohort study with a mean follow-up time of 6 respectively 26 yearsSurvival rate at the proximal interphalangeal joint level. Perichondrium transplantation (black) and SR implant (grey)Back to article page