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Table 3 Examples of the similarities and disparities among the studies according to various criteria

From: Analgesic efficacy of local versus proximal nerve blocks after hallux valgus surgery: a systematic review

Characteristics

Studies

Similarities

 Female was the dominant sex

All studies

 Type of study was randomised trial

All studies

 Tibial and common peroneal nerves blocked during the ankle block

All studies where ankle blocks were administered ankle blocks

 LA was a combination of lidocaine 2% and levobupivacaine 0.5%

All studies except the Su et al. (2019) [19]

 Administered oral/IV GA

All studies except for the Gadek et al. (2015) [18]

 Participants were classified 1–3 according to American anaesthetics staging (AAS)

All studies except for the Gadek et al. (2015) [18] and Migues et al. (2005) [20]

Disparities

 Administered spinal anaesthesia

Gadek et al. (2015) [18]

 Discussed size of bunion preoperatively

Gadek et al. (2015) [18]

 Discussed type of bunionectomy

Gadek et al. (2015) [18]

 Administered midazolam and fentanyl injections before the ankle block

Özhan et al. (2020) [22]

 Added sural nerve blocks to the ankle block

Turan et al. (2007) [21]

 Added saphenous nerve blocks to the ankle block

Özhan et al. (2007) [22] and Migues et al. (2005) [20]

 Excluded patients with neurologic and cognitive disorders

Özhan et al. (2007) [22] and Su et al. (2019) [19]

 Utilized ultrasound for administering the ankle block

Özhan et al. (2007) [22] and Su et al. (2019) [19]

 Block was administered before GA

Özhan et al. (2007) [22]

 The anaesthetist administered the regional block

Özhan et al. (2007) [22]

 The orthopaedic surgeon administered the regional block

Turan et al. (2007) [21]

  1. AAS American anaesthetics staging, IV Intra venous, GA General anaesthesia, LA Local anaesthesia