Continued cannabis use by persons with schizophrenia predicts a small increase in psychotic symptom severity but not vice versa.

The services increased their provision of "guideline concordant" care for early psychosis. The audit proved useful to monitor performance, to demonstrate improvements in care and to identify those areas of service provision and documentation in need of improvement.

The low rates of clinically important abnormal findings in computed tomography/magnetic resonance imaging and electroencephalogram re-open debate about the need for routine neuroimaging and electrophysiology in this population.

The services increased their provision of "guideline concordant" care for early psychosis. The audit proved useful to monitor performance, to demonstrate improvements in care and to identify those areas of service provision and documentation in need of improvement.

No abstract