Cost-effectiveness of referral for generic care or problem-solving treatment from community mental health nurses, compared with usual general practitioner care for common mental disorders

Abstract

BackgroundUK general practitioners (GPs) refer patients with common mental disorders to community mental health nurses.AimsTo determine the effectiveness and cost-effectiveness of this practice.MethodRandomised trial with three arms: usual GP care, generic mental health nurse care, and care from nurses trained in problem-solving treatment; 98 GPs in 62 practices referred 247 adult patients with new episodes of anxiety, depression and life difficulties, to 37 nurses.ResultsThere were 212 (86%) and 190 (77%) patients followed up at 8 and 26 weeks respectively. No significant differences between groups were found in effectiveness at either point. Mean differences in Clinical Interview Schedule – Revised scores at 26 weeks compared with GP care were –1.4 (95% Cl –5.5 to 2.8) for generic nurse care, and 1.1 (–2.9 to 5.1) for nurse problem-solving. Satisfaction was significantly higher in both nurse-treated groups. Mean extra costs per patient were £283 (95% Cl 154–411) for generic nurse care, and £315 (183–481) for nurse problem-solving treatment.ConclusionsGPs should not refer unselected patients with common mental disorders to specialist nurses. Problem-solving should be reserved for patients who have not responded to initial GP care.