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Table 1 The four patient groups described according to total numbers and numbers at a clinical level pre-treatment, pre-treatment PHQ-9, pre-post PHQ-9 change and effect size, sessions attended, patient change per session, and percentage meeting criteria for reliable and clinically significant improvement

From: The effectiveness of high-intensity CBT and counselling alone and following low-intensity CBT: a reanalysis of the 2nd UK National Audit of Psychological Therapies data

Patient group N (%) Clinical at pre- treatment N (%) Pre–PHQ-9 Score Mean (SD) Pre-Post change Mean (SD) Pre-post effect size (95% CI) Sessions attended Mean (SD) Patient change on PHQ-9 per session Mean (SD) RCSI rate % (95% CI)
Li-CBT/Hi-CBT 17,620 (53.0) 14,069 (80.0) 15.4 (6.49) 6.1 (6.95) 0.94 (0.92, 0.96) 9.0 (6.40) 0.91 (1.48) 52.1 (51.3, 52.9)
Li-CBT/Hi-Counselling 6645 (20.0) 5459 (82.2) 15.6 (6.20) 6.1 (6.83) 0.98 (0.95, 1.02) 8.0 (5.94) 1.03 (1.56) 50.2 (48.9, 51.6)
Hi-CBT 5975 (18.0) 4719 (79.0) 15.4 (6.58) 5.9 (6.98) 0.90 (0.86, 0.93) 8.8 (6.14) 0.85 (1.43) 49.4 (47.9, 50.8)
Hi-Counselling 3003 (9.0) 2280 (75.9) 14.7 (6.60) 5.5 (6.63) 0.83 (0.78, 0.89) 6.4 (4.74) 1.08 (1.74) 49.2 (47.1, 51.2)
Overall 33,243 26,527 (79.8) 15.4 (6.47) 6.0 (6.91) 0.93 (0.91, 0.94) 8.5 (6.18) 0.94 (1.52) 51.0 (50.4, 51.6)
  1. Note: Li-CBT/Hi-CBT Low-intensity CBT stepped up to high-intensity CBT, Li-CBT/Hi-Counselling Low-intensity CBT stepped up to high-intensity Counselling, Hi-CBT High-intensity CBT only, Hi-Counselling High-intensity Counselling only
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