Comparison between Minimally Invasive Plate Osteosynthesis and Conventional Open Plating for Midshaft Clavicle Fractures: A Systematic Review and Meta-Analysis

Table 2

Characteristics of the studies.

First author	Year	Study design	Group	Total number	Mean age (years)	Gender (M/F)	Follow-up (months)	Fracture classification	Operative technique
Jiang [12]	2012	RCT	MIPO	32	40	20/12	15	Robinson 2B1, 2B2	A central incision over the fracture site (3 cm), a distal incision (1 cm) and a proximal incision (1 cm)
			COP	32	45	20/12	15		A transverse incision over the fracture site (8–10 cm)
Sohn [13]	2015	RC	MIPO	19	46.79	18/1	17.6	AO/OTA 15.2A, 15.2B, 15.2C	Two small skin incisions (the medial and lateral sides of the clavicle)
			COP	14	44.14	12/2	17.6		A transverse incision over the fracture site
Beirer [19]	2015	PC	MIPO	12	34.92	11/1	6	AO/OTA 15.2A, 15.2B, 15.2C	A central incision over the fracture site, a medial stab incision and a lateral stab incision
			COP	12	41.42	11/1	6		A transverse incision over the fracture site
Kim [20]	2018	RCT	MIPO	15	38.13	10/5	13.33	AO/OTA 15.2A, 15.2B, 15.2C	Two small skin incisions (the medial and lateral sides of the clavicle)
			COP	15	38.15	11/4	13.73		A transverse incision over the fracture site
You [21]	2018	PC	MIPO	38	38.3	20/18	12	Robinson 2A2, 2B1, 2B2	Two small skin incisions (the medial and lateral sides of the clavicle)
			COP	35	36.9	18/17	12		A transverse incision over the fracture site
Zehir [22]	2018	RC	MIPO	22	32.32	12/10	14.56	AO/OTA 15.2B, 15.2C	A central incision over the fracture site, a distal incision and a proximal incision (2–3 cm)
			COP	30	34.7	18/12	14.79		A transverse incision over the fracture site
You [23]	2019	RC	MIPO	20	37.2	11/9	12	Robinson 2A2, 2B1, 2B2	Two small skin incisions (the medial and lateral sides of the clavicle)
			COP	20	35.1	13/7	12		A transverse incision over the fracture site

M = males, F = females, RCT = randomized controlled trial, RC = retrospective cohort, PC = prospective cohort, MIPO = minimally invasive plate osteosynthesis, COP = conventional open plating, OTA = orthopaedic Trauma Association.