Clinical recommendation	Evidence rating	References
Surgery should be performed in patients with Dupuytren's disease when the metacarpophalangeal joint contracture exceeds 40 degrees or when the proximal interphalangeal joint contracture exceeds 20 degrees.	B	2, 3, 12
Steroid injections into grade 1 Dupuytren's disease nodules can reduce the need for surgery.	B	16