Table 4.

Recurrence Studies.

Authors	Year	Follow-up (m)	Patients (n)	MCPJ (n)	PIPJ (n)	Type of study	Level of evidence
Badalamente and Hurst 20	2000	20	35	34	9	Prospective case series	4
Badalamente and Hurst 21	2007	24	35	14	9	Prospective, randomized, double-blinded, placebo-controlled trial	1
Gilpin et al 9	2010	12	45	20	25	Prospective, randomized, double-blinded, placebo-controlled trial	1
Hansen et al 11	2017	15	212	170	65	Prospective cohort	2
Hwee et al 26	2017	60	113	72	74	Retrospective case series	4
McMahon et al 28	2013	15	48	46	18	Retrospective case series	4
Naam 22	2013	24	25	21	11	Retrospective case control	2
Peimer et al 23	2015	60	644	648	433	Retrospective case series	4
Simon-Perez et al 15	2017	48	71	67	4	Prospective case series	4
Skov et al 16	2017	29	29	0	50	Prospective, independent, open-label, randomized control trial	1
Strömberg et al 24	2018	24	78	78	27	Prospective, randomized, single-blinded, controlled trial	1
Strömberg et al 17	2017	12	20	20	0	Prospective case series in subpopulation of randomized controlled trial	4
Vanek et al 25	2018	24	39	39	0	Prospective cohort	2
Watt et al 30	2009	96	8	6	2	Retrospective case series	4
Werlinrud et al 19	2018	60	104	73	34	Prospective cohort	2
Total	—	—	1506	1308	761	—	—

Note. MCPJ = metacarpophalangeal joint; PIPJ = proximal interphalangeal joint.