Table 1.

Complication Studies.

Authors	Year	Follow-up (m)	Patients (n)	MCPJ (n)	PIPJ (n)	Type of study	Level of evidence
Arora et al 5	2016	3	120	—	—	Case series	4
Badalamente et al 6	2015	3	506	—	644	Analysis of prospective, randomized, double-blind, placebo-controlled	2
Coleman et al 7	2014	1	60	75	45	Prospective case series	4
Gaston et al 8	2015	2	715	896	552	Prospective case series	4
Gilpin et al 9	2010	12	45	20	25	Prospective, randomized, double-blinded, placebo-controlled trial	1
Grandizio et al 10	2017	1	31	34	34	Prospective case series	4
Hansen et al 11	2017	15	212	170	65	Prospective cohort	2
Hurst et al 12	2009	3	203	133	70	Prospective, randomized, double-blind, placebo-controlled trial	1
Hwee et al 26	2017	60	113	72	74	Retrospective case series	4
Leclere et al 30	2018	24	38	39	29	Retrospective case series	4
Malafa et al 27	2016	6	36	40	7	Retrospective case series	4
McMahon et al 20	2013	15	48	46	18	Retrospective case series	4
Murphy et al 13	2017	23	20	19	17	Prospective, observational case series	4
Sanjuan-Cerverò et al 4	2013	12	43	31	31	Retrospective case control	3
Sanjuan-Cerverò et al 14	2018	1	151	138	70	Prospective cohort	2
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 17	2017	12	20	20	0	Prospective case series in subpopulation of randomized controlled trial	4
Verstreken et al 18	2016	1	110	73	38	Prospective, observational, multicenter, pharmaco-epidemiological study	4
Werlinrud et al 19	2018	60	104	73	34	Prospective cohort	2
Total	—	—	2675	1946	1807	—	—

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