TABLE 6

Costs and QALYs of cognitive behavioural therapy (CBT) intervention and self-help leaflets

CBT intervention mean (95% CI)Leaflets mean (95% CI)Bootstrapped mean difference (95% CI, p-value)
Intervention costs GBP175 (165–185)175 (165–185, p=0.001)
Number of respiratory admissions0.6 (0.35–0.85)1.01 (0.61–1.4)
Costs of respiratory admissions GBP1601 (936–2267)2689 (1632–3746)−1089 (−2370–227, p=0.076)
Number of ED attendances0.37 (0.16–0.59)0.81 (0.48–1.14)
Costs of ED attendances GBP55 (23–86)118 (70–166)−63 (−121– −7, p=0.036)
Total mean cost GBP1830 (1143–2517)2807 (1706–3909)−997 (−2349–228, p=0.158)
Mean difference in effect QALYs0.079 (0.023–0.140, p=0.008)

ED: emergency department; QALYs: quality-adjusted life-years.