Methods |
Design: three group parallel trial
Purpose: examine the effect of cognitive‐behaviour therapy on psycho‐social problems and seizure control in epileptic patients |
Participants |
Patients: epileptic out‐patients with psycho‐social problems (anxiety, depression) and inadequate seizure control
Baseline comparability: yes |
Interventions |
Placebo: sessions of supportive group counselling or discussion with no specific cognitive‐behaviour therapy
Untreated: no sessions
Experimental: sessions of behavioural‐cognitive therapy
(Co‐intervention:
‐'professional counselling or psychiatric treatment' to all but 6 patients
‐anticonvulsant medication. The difference in serum‐level between the groups was not significant.) |
Outcomes |
Number of patients with improvement in seizure frequency (frequency diary)
Seizure rating by blinded observer
Global rating of psycho‐social adjustment |
Notes |
|
Risk of bias |
Bias |
Authors' judgement |
Support for judgement |
Adequate sequence generation? |
Unclear risk |
NS |
Allocation concealment? |
Unclear risk |
NS |
Blinding?
Treatment provider |
High risk |
Not described as double‐blind (placebo/behavioural cognitive training) |
Blinding?
Outcome assessor |
Unclear risk |
Not relevant as patient reported outcome |
Incomplete outcome data addressed?
All outcomes |
Low risk |
Drop‐out < 15% |
Free of selective reporting? |
Unclear risk |
No protocol available |
Free of other bias? |
Low risk |
|
No signs of variance inequality or skewness? |
Unclear risk |
Not relevant (binary outcome) |
Trial size > 49? |
High risk |
N = 19 |
Clearly concealed allocation + trial size > 49 + drop‐out max 15% |
High risk |
Trials size < 49 |