| 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 |