Table 2 Description of scoring based on Downs & Black criteria
From: Protective socks for people with diabetes: a systematic review and narrative analysis
Study | Is the aim of the study clear? | Are the main outcomes clearly described? | Are characteristics of patients included clearly described? | Are the interventions clearly described? | Are co-founders clearly described? | Are the main findings clearly described? | Have adverse events been reported? | Are subjects lost to follow up characteristics reported? | Are actual probability values reported? | Were subjects invited representative of population | Subjects who participated representative of population? | Were staff, places & facilities representative? | Was there an attempt to blind study subjects? | Were analyses adjusted for different lengths of follow-up between interventions? | Were appropriate Statistical tests used? | Was compliance with interventions reliable? | Were main outcome measures accurate and reliable? | Were cases/controls recruited from same population? | Were cases/controls recruited over same time? | Were subjects randomized to intervention groups? | Was randomized intervention concealed form subjects & clinicians? | Are analyses adjusted for lost to follow up subjects | Study have sufficient power to detect clinically important effect? | Total score (%) based on 23 items |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Veves et al. [37] | X | X | X | X | O | O | X | U | O | U | X | X | O | U | X | X | X | U | U | U | U | U | O | 10 (43.5%) |
Veves et al. [38] | X | X | X | X | O | X | X | U | O | U | U | X | O | O | X | X | X | U | U | U | U | U | O | 10 (43.5%) |
Murray et al. [40] | X | O | X | X | X | O | X | U | O | U | U | U | O | U | U | X | U | U | U | U | U | U | U | 6 (26.1%) |
Blackwell et al. [36] | X | O | O | X | O | O | O | O | O | U | U | U | O | U | X | X | X | U | U | U | U | O | O | 5 (21.8%) |
Garrow et al. [39] | X | X | X | X | X | X | U | O | O | U | U | X | O | U | U | U | X | U | U | X | O | O | U | 9 (39.2%) |
Banchellini et al. [41] | X | X | X | X | X | X | X | U | O | X | X | X | X | X | X | X | X | X | X | X | O | U | U | 18 (78.3%) |
Yick et al. [42] | X | X | O | X | O | O | O | U | O | U | U | U | O | O | U | U | X | U | U | U | U | U | O | 4 (17.4%) |