An average of 14.15 h ( s.d. = 4.21 ) of recovery-focused CBT were attended out of a potential maximum of 18 h. Compared with TAU , recovery-focused CBT significantly improved personal recovery up to 12-month follow-up ( Bipolar Recovery Questionnaire mean score 310.87 , 95 % CI 75.00-546 .74 ( s.e. = 120.34 ) , P = 0.010 , d = 0.62 ) and increased time to any mood relapse during up to 15 months follow-up ( 2 = 7.64 , P < 0.006 , estimated hazard ratio ( HR ) = 0.38 , 95 % CI 0.18-0 .78 ) .