Table 3 Comparison of effect sizes among various clinical trials using the model of Clark and Wells
Study group | Present study | Clark et al. (2003) | Stangier et al. (2003) | Clark et al. (2006) | Mörtberg et al. (2007) | Stangier et al. (2011) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CBT protocol | 90 min 14 weeks | 75 min 16 weeks | 60 min 15 weeks | 90 min0 14 weeks | 60 min 16 weeks | 50–90 min 20 weeks | |||||||||||||
| Â | Pre | Post | ES | Pre | Post | ES | Pre | Post | ES | Pre | Post | ES | Pre | Post | ES | Pre | Post | ES | |
LSAS | Mean (SD) | 91.8 (23.5) | 51.7 (27.8) | 1.71 | 78.7 (25.6) | 35.4 (22.9) | 1.69 | Â | Â | Â | 74.8 (24.1) | 28.0 (17.7) | 1.94 | 81.8 (21.1) | 51.3 (27.9) | 1.45 | 69.2 (23.4) | 39.5 (21.1) | 1.27 |
SPS | Mean (SD) | 44.1 (18.7) | 26.1 (17.6) | 0.96 | 30.2 (14.8) | 17.4 (13.2) | 0.86 | 30.7 (10.2) | 21.5 (12.6) | 0.90 | 29.3 (13.5) | 9.0 (6.0) | 1.51 | 37.9 (12.5) | 21.5 (13.8) | 1.31 | Â | Â | Â |
SIAS | Mean (SD) | 58.7 (12.0) | 37.1 (19.0) | 1.80 | 48.3 (12.3) | 34 (13.9) | 1.17 | 44.9 (10.8) | 36.1 (14.8) | 0.82 | 43.6 (17.8) | 18.2 (10.0) | 1.43 | 51.6 (15.5) | 37.8 (17.7) | 0.89 | Â | Â | Â |
FNE | Mean (SD) | 25.2 (4.6) | 16.9 (9.1) | 1.82 | 25.2 (5.2) | 19.5 (8.7) | 1.09 | Â | Â | Â | 23.1 (7.0) | 12.9 (8.9) | 1.46 | 23.3 (4.8) | 18.5 (7.4) | 1.00 | Â | Â | Â |
FQ | Mean (SD) | 28.5 (8.2) | 16.5 (10.7) | 1.54 | 22.4 (6.4) | 14.2 (7.0) | 1.29 | Â | Â | Â | Â | Â | Â | 22.3 (8.6) | 14.6 (7.6) | 0.9 | Â | Â | Â |