Effects of Special Therapeutic Footwear on the Prevention of Diabetic Foot Ulcers: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Table 2

Risk of bias of included studies.

Author/year	Adequate randomization sequence generation	Adequate blinding of participants	Adequate blinding of assessors	Adequate allocation concealment	Free from incomplete outcome data	Free from selective reporting	Sample size estimate	Total risk of bias
Bus et al., [6]	Definitely yes	Definitely yes	Definitely yes	Definitely yes	Definitely yes	Definitely yes	Probably yes	Low risk
Lavery et al., [27]	Probably yes	Definitely no	Definitely yes	Probably yes	Definitely yes	Definitely yes	Definitely yes	High risk
Reiber et al., [28]	Definitely yes	Probably yes	Definitely yes	Probably yes	Definitely yes	Definitely yes	Definitely yes	Low risk
Rizzo et al., [29]	Definitely yes	Probably yes	Probably yes	Probably yes	Definitely yes	Definitely yes	Definitely no	High risk
Scire et al., [30]	Definitely yes	Probably yes	Definitely yes	Probably yes	Definitely yes	Definitely yes	Definitely no	High risk
Uccioli et al., [31]	Probably yes	Probably yes	Probably yes	Probably yes	Definitely yes	Definitely yes	Definitely no	High risk
Cisneros et al., [32]	Definitely yes	Definitely yes	Probably yes	Probably yes	Definitely yes	Definitely yes	Probably yes	Low risk
Ulbrecht et al., [33]	Definitely yes	Definitely no	Definitely yes	Definitely yes	Definitely yes	Definitely yes	Definitely yes	High risk