Differences in mean anxiety from baseline and between groups
| Mean improvement from baseline | Difference in mean improvement (95% CI, p-value) | ||
| CBT group | Leaflet group | ||
| HADS-Anxiety Subscale at 3 months | 3.40 (n=115) | 1.88 (n=121) | 1.52# (0.49–2.54, p=0.003) |
| HADS-Anxiety Subscale at 6 months | 3.42 (n=101) | 2.36 (n=99) | 1.05 (−0.04–2.14, p=0.05) |
| HADS-Anxiety Subscale at 12 months | 3.35 (n=93) | 1.89 (n=79) | 1.43 (0.28–2.66, p=0.016) |
CBT: cognitive behavioural therapy; HADS: Hospital Anxiety and Depression Scale. #: the mean difference is higher than the HADS-Anxiety Score minimal clinically important difference of 1.50 [17].