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.