Does surgical treatment produce better outcomes than conservative treatment for acute primary patellar dislocations? A meta-analysis of 10 randomized controlled trials

Table 1 Characteristics of studies included in this meta-analysis

Study	Surgical interventions	Gender		Sample size		Mean age		Follow-up
Study	Surgical interventions	Male	Female	SG	CG	SG	CG
Nikku et al. [20]	MR repair, MPFL augmentation, LRR	45	82	70	57	20	20	7.2 years
Christiansen et al. [21]	MPFL repair	42	35	42	35	20	19.9	2 years
Palmu et al. [22]	MPFL repair or LRR	18	46	36	28	13	13	14 years
Camanho et al. [23]	MPFL repair	13	20	17	16	24.6	26.8	40.4 m
Sillanpää et al. [24]	MR reefing or Roux-Goldthwait	37	3	18	22	20	20	7 years
Bitar et al. [25]	MPFL reconstruction	21	20	21	20	24	24	44 m
Petri et al. [6]	MR repair or LRR	13	7	12	8	27.2	21.6	2 years
Regalado et al. [26]	LRR or Modified Roux-Goldthwait	14	22	16	20	13.5	13.5	6 years
Ji et al. [27]	MPFL repair	20	36	30	26	-	-	42 m
Askenberger et al. [28]	MPFL repair	38	36	37	37	13.2	13	2 years

SG surgical group, CG conservative group, MR medial retinaculum, LRR lateral retinacular release, MPFL medial patellofemoral ligament

ISSN: 1749-799X