Table 2 Characteristics of each study
Study | Population size | Duration of study (months) | Female (%) | Age (years) (mean ± SD) | Follow-up duration (POH) | Study design | Funding source | Intervention 1 | Intervention 2 | Control | Measurement tool | Outcome for postoperative pain |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gadek et al., (2015) [18] | 118 | 32 | 84% | 47.8 | 24 | Prospective patient blind randomised trial | The author | Local block | NR | Normal saline | VAS | Effective |
Su et al., (2019) [19] | 90 | NR | 23 on 1 | 20–65 | 36 | Prospective patient blind randomised trial | NR | Local block | Ankle block | Without the regional anaesthetic | NRS | The ankle block better than the local block better than the control |
Migues et al., (2005) [20] | 51 | 4–8 | NR | 61 ± 11 | NR | Randomised prospective | NR | Ankle block | Popliteal block | NR | VAS | Both were equal |
Turan et al., (2007) [21] | 90 | NR | NR | 45 ± 15 | 24 | Randomised patient blind | Associate Professor I. Turan | Ankle block | NR | Saline | VAS | Not effective |
Özhan et al., (2020) [22] | 110 | NR | 92.7% | 60.5 ± 9.4 | 12 | Prospective patient blind randomised trial | Private Çankaya Hospital | Ankle block | NR | Without the regional anaesthetic | VAS | Effective |