Methods |
Design: three group parallel trial
Purpose: study the effect of a remedial program on visual‐motor perception in children with spina bifida |
Participants |
Patients: Children with spina bifida who were able to respond to verbal and paper‐and‐pencil task
Baseline comparability: yes |
Interventions |
Placebo: sessions with stimulating environment (jig‐saw puzzles, drawing, colouring, reading etc)
Untreated: no sessions
Experimental: sessions with a program of development of visual perception
(Co‐intervention: NS) |
Outcomes |
Development test of visual perception (five sub‐tests) |
Notes |
Outcome not reported so that meta‐analysis is possible. |
Risk of bias |
Bias |
Authors' judgement |
Support for judgement |
Adequate sequence generation? |
Unclear risk |
NS |
Allocation concealment? |
Unclear risk |
NS |
Blinding?
Treatment provider |
Unclear risk |
NS |
Blinding?
Outcome assessor |
Unclear risk |
Not relevant as patient reported outcome |
Incomplete outcome data addressed?
All outcomes |
High risk |
Drop‐out > 15% or NS |
Free of selective reporting? |
High risk |
Outcome not reported so that meta‐analysis is possible. |
Free of other bias? |
Low risk |
|
Trial size > 49? |
High risk |
N = 24 |
Clearly concealed allocation + trial size > 49 + drop‐out max 15% |
High risk |
Trial size < 49 |