Peurala 2005.

Methods	RCT Method of randomisation: an investigator not involved in the study randomly assigned participants to groups using concealed envelopes Blinding of outcome assessors: no Adverse events: none Deaths: none Dropouts: none ITT analysis: not stated
Participants	Country: Finland 45 participants (15 in treatment group A, 15 in treatment group B, 15 in control group) Ambulatory and non‐ambulatory at study onset Mean age: 52 years Inclusion criteria: first supratentorial stroke with duration of illness longer than 6 months, younger than 65 years of age, slow or difficult walking, no unstable cardiovascular disease, no severe malposition of joints, no severe cognitive or communicative disorders, written informed consent Exclusion criteria: not stated
Interventions	3 arms: Gait trainer exercise without functional electrical stimulation Gait trainer exercise with functional electrical stimulation Walking overground All participants practised gait for 15 sessions over 3 weeks (each session lasting 20 minutes) and received an additional 55 minutes daily physiotherapy.
Outcomes	Outcomes were recorded at baseline and after 2 and 3 weeks and 6 months: 10‐metre walk test 6‐minute walk test Lower limb spasticity Muscle force Postural sway tests Modified Motor Assessment Scale Functional Independence Measure instrument scores
Notes	Published and unpublished data provided by the authors.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	An investigator not involved in the study randomly assigned participants to groups using concealed envelopes.
Allocation concealment (selection bias)	Low risk	Concealed envelopes
Blinding of outcome assessment (detection bias) All outcomes	High risk	Not done
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Unclear if reasons for missing outcome data are unlikely to be related to true outcome